一、总览
历史期数
2,097
每期开出号码
20 个
号码范围
1 - 80
四数组合总数 C(80,4)
1,581,580
历史中出现过的组合
1,579,072
从未出现过的组合
2,508
出现率
99.841%
单组合最多出现次数
24 次
统计口径：把 1-80 的全部 C(80,4)=1,581,580 种 4 数组合逐一编号（colex 序），遍历每期开出的 C(20,4) 种组合累加。出现 0 次即「从未出现」。
二、出现次数分布
| 出现次数 | 组合数量 | 占比 | 分布 |
|---|---|---|---|
| 0 次（从未出现） | 2,508 | 0.1586% | |
| 1 次 | 16,567 | 1.0475% | |
| 2 次 | 52,916 | 3.3458% | |
| 3 次 | 113,275 | 7.1621% | |
| 4 次 | 181,795 | 11.4945% | |
| 5 次 | 233,766 | 14.7805% | |
| 6 次 | 250,553 | 15.8419% | |
| 7 次 | 229,989 | 14.5417% | |
| 8 次 | 184,624 | 11.6734% | |
| 9 次 | 131,941 | 8.3424% | |
| 10 次 | 84,812 | 5.3625% | |
| 11 次 | 49,276 | 3.1156% | |
| 12 次 | 26,485 | 1.6746% | |
| 13 次 | 13,192 | 0.8341% | |
| 14 次 | 5,909 | 0.3736% | |
| 15 次 | 2,487 | 0.1572% | |
| 16 次 | 979 | 0.0619% | |
| 17 次 | 321 | 0.0203% | |
| 18 次 | 129 | 0.0082% | |
| 19 次 | 41 | 0.0026% | |
| 20 次 | 14 | 0.0009% | |
| 21 次 | 0 | 0.0000% | |
| 22 次 | 0 | 0.0000% | |
| 23 次 | 0 | 0.0000% | |
| 24 次 | 1 | 0.0001% |
三、组合查询
输入 4 个不同的号码后点击查询。
四、从未出现过的四数组合
| 序号 | 四数组合 | 出现次数 |
|---|---|---|
| 201 | 02031142 | 0 |
| 202 | 03091442 | 0 |
| 203 | 02131842 | 0 |
| 204 | 12142042 | 0 |
| 205 | 01072242 | 0 |
| 206 | 03092242 | 0 |
| 207 | 04142242 | 0 |
| 208 | 13162242 | 0 |
| 209 | 13212242 | 0 |
| 210 | 05172342 | 0 |
| 211 | 05202642 | 0 |
| 212 | 04242842 | 0 |
| 213 | 13172942 | 0 |
| 214 | 17182942 | 0 |
| 215 | 17222942 | 0 |
| 216 | 20282942 | 0 |
| 217 | 01053042 | 0 |
| 218 | 04093042 | 0 |
| 219 | 07093042 | 0 |
| 220 | 08093042 | 0 |
| 221 | 05133042 | 0 |
| 222 | 13163042 | 0 |
| 223 | 08203042 | 0 |
| 224 | 08213042 | 0 |
| 225 | 04223242 | 0 |
| 226 | 28293342 | 0 |
| 227 | 04223442 | 0 |
| 228 | 29333442 | 0 |
| 229 | 17183542 | 0 |
| 230 | 01093642 | 0 |
| 231 | 08233642 | 0 |
| 232 | 04143742 | 0 |
| 233 | 03283742 | 0 |
| 234 | 04083842 | 0 |
| 235 | 10313842 | 0 |
| 236 | 21313842 | 0 |
| 237 | 23373842 | 0 |
| 238 | 31373842 | 0 |
| 239 | 03054042 | 0 |
| 240 | 05104042 | 0 |
| 241 | 01144042 | 0 |
| 242 | 01304042 | 0 |
| 243 | 21304042 | 0 |
| 244 | 25344042 | 0 |
| 245 | 01354042 | 0 |
| 246 | 22234142 | 0 |
| 247 | 15304142 | 0 |
| 248 | 14161843 | 0 |
| 249 | 16262843 | 0 |
| 250 | 04283043 | 0 |
| 251 | 04233243 | 0 |
| 252 | 04083443 | 0 |
| 253 | 13333543 | 0 |
| 254 | 06203643 | 0 |
| 255 | 25313843 | 0 |
| 256 | 28334043 | 0 |
| 257 | 01044243 | 0 |
| 258 | 09214243 | 0 |
| 259 | 01294243 | 0 |
| 260 | 11334243 | 0 |
| 261 | 01354243 | 0 |
| 262 | 05060844 | 0 |
| 263 | 03101744 | 0 |
| 264 | 08182044 | 0 |
| 265 | 08172344 | 0 |
| 266 | 18192844 | 0 |
| 267 | 17222944 | 0 |
| 268 | 07163044 | 0 |
| 269 | 06103144 | 0 |
| 270 | 17233144 | 0 |
| 271 | 11253144 | 0 |
| 272 | 06123244 | 0 |
| 273 | 14193244 | 0 |
| 274 | 17223244 | 0 |
| 275 | 18223244 | 0 |
| 276 | 04093744 | 0 |
| 277 | 08203744 | 0 |
| 278 | 17223944 | 0 |
| 279 | 03353944 | 0 |
| 280 | 04084044 | 0 |
| 281 | 17184344 | 0 |
| 282 | 16304344 | 0 |
| 283 | 04151645 | 0 |
| 284 | 05112245 | 0 |
| 285 | 03102645 | 0 |
| 286 | 04142645 | 0 |
| 287 | 09172645 | 0 |
| 288 | 17222645 | 0 |
| 289 | 06233145 | 0 |
| 290 | 06243145 | 0 |
| 291 | 05143845 | 0 |
| 292 | 14263845 | 0 |
| 293 | 17313845 | 0 |
| 294 | 29313845 | 0 |
| 295 | 17363845 | 0 |
| 296 | 08243945 | 0 |
| 297 | 18333945 | 0 |
| 298 | 04304145 | 0 |
| 299 | 18194345 | 0 |
| 300 | 29304345 | 0 |
每行是一组在全部历史开奖中都未出现过的组合。
五、出现次数最多的组合 Top 50
| 排名 | 组合 | 出现次数 |
|---|---|---|
| 1 | 15284870 | 24 |
| 2 | 03193880 | 20 |
| 3 | 03061373 | 20 |
| 4 | 03144648 | 20 |
| 5 | 14626874 | 20 |
| 6 | 01104754 | 20 |
| 7 | 12455164 | 20 |
| 8 | 19264153 | 20 |
| 9 | 11387173 | 20 |
| 10 | 27647378 | 20 |
| 11 | 11166162 | 20 |
| 12 | 02697378 | 20 |
| 13 | 02104859 | 20 |
| 14 | 01216369 | 20 |
| 15 | 21527071 | 20 |
| 16 | 10193253 | 19 |
| 17 | 08596162 | 19 |
| 18 | 02061758 | 19 |
| 19 | 02233745 | 19 |
| 20 | 15546077 | 19 |
| 21 | 14235873 | 19 |
| 22 | 52647178 | 19 |
| 23 | 17275369 | 19 |
| 24 | 08324174 | 19 |
| 25 | 10163554 | 19 |
| 26 | 18596673 | 19 |
| 27 | 13142370 | 19 |
| 28 | 02245079 | 19 |
| 29 | 27547778 | 19 |
| 30 | 15254563 | 19 |
| 31 | 13142848 | 19 |
| 32 | 11166171 | 19 |
| 33 | 14587174 | 19 |
| 34 | 40414853 | 19 |
| 35 | 03273651 | 19 |
| 36 | 11556569 | 19 |
| 37 | 01444978 | 19 |
| 38 | 08596366 | 19 |
| 39 | 01435354 | 19 |
| 40 | 08525666 | 19 |
| 41 | 12505367 | 19 |
| 42 | 11386271 | 19 |
| 43 | 11303254 | 19 |
| 44 | 09313664 | 19 |
| 45 | 08355963 | 19 |
| 46 | 06405758 | 19 |
| 47 | 05091956 | 19 |
| 48 | 03134773 | 19 |
| 49 | 06084758 | 19 |
| 50 | 06214952 | 19 |
六、开奖数据（共 2,097 期）
| 期号 | 开奖日期 | 开奖号码 |
|---|---|---|
| 2020051 | 2020-12-17 | 0104081115212334383941475160687173767779 |
| 2020052 | 2020-12-18 | 0102050607091819242627344041535456636574 |
| 2020053 | 2020-12-19 | 0206111517242528293034424348505362647072 |
| 2020054 | 2020-12-20 | 0407111415192425333439414752616468727378 |
| 2020055 | 2020-12-21 | 0210131516242829323435394649545765707477 |
| 2020056 | 2020-12-22 | 0204081214162328363738414346495155565770 |
| 2020057 | 2020-12-23 | 0310131624303137414446475052566061687280 |
| 2020058 | 2020-12-24 | 0104071314162123253337394051566168707174 |
| 2020059 | 2020-12-25 | 0412141617212223273038414447485760626469 |
| 2020060 | 2020-12-26 | 0104121518414547485253585962646566737479 |
| 2020061 | 2020-12-27 | 1012131923242830353940434546505962677179 |
| 2020062 | 2020-12-28 | 0102060708102733344042454651565860627076 |
| 2020063 | 2020-12-29 | 0204131527293137424347505154566061627577 |
| 2020064 | 2020-12-30 | 0103070812273032333942484952576265707379 |
| 2020065 | 2020-12-31 | 0708092134353940424451555863676871727579 |
| 2021001 | 2021-01-01 | 0912161833364041464851535455596162636875 |
| 2021002 | 2021-01-02 | 0610111314283036394344474859676971737579 |
| 2021003 | 2021-01-03 | 0711131416172023273031333437435355626669 |
| 2021004 | 2021-01-04 | 0308111213141622232733374648515253637580 |
| 2021005 | 2021-01-05 | 0309141517192327283033353654575863656972 |
| 2021006 | 2021-01-06 | 0507101416171925323435384043515354577377 |
| 2021007 | 2021-01-07 | 0507101114162122253540464952546466686970 |
| 2021008 | 2021-01-08 | 0405080913192021242840485057636566697075 |
| 2021009 | 2021-01-09 | 0203131625283537414546484950526162657076 |
| 2021010 | 2021-01-10 | 0205091416222426323536374041444965707174 |
| 2021011 | 2021-01-11 | 0110112426273238495960636668697172737677 |
| 2021012 | 2021-01-12 | 0204061016171924273034384044484956606366 |
| 2021013 | 2021-01-13 | 0513151619222728364143485056606567727780 |
| 2021014 | 2021-01-14 | 0711193436373839424757606269727375767778 |
| 2021015 | 2021-01-15 | 0204101618273738394043464749505660627175 |
| 2021016 | 2021-01-16 | 0405070910111317253032545557606470727476 |
| 2021017 | 2021-01-17 | 0710121520343743454851545758596162737680 |
| 2021018 | 2021-01-18 | 0318202225303740434550516165677274757678 |
| 2021019 | 2021-01-19 | 0204051217192431353638414244535660707680 |
| 2021020 | 2021-01-20 | 0411131416171920252829303435416570747677 |
| 2021021 | 2021-01-21 | 0306121315212528323442454654556063657078 |
| 2021022 | 2021-01-22 | 0102030506121517212226293033434951585961 |
| 2021023 | 2021-01-23 | 0204060910121314182335394552596067687074 |
| 2021024 | 2021-01-24 | 0106070912181920232434415253596267697280 |
| 2021025 | 2021-01-25 | 0208111315171820252629303745505152606375 |
| 2021026 | 2021-01-26 | 0609121516232526283334374142445253546178 |
| 2021027 | 2021-01-27 | 0708131419262829313545515354596162637780 |
| 2021028 | 2021-01-28 | 0613171819202325335055565859616267687380 |
| 2021029 | 2021-01-29 | 0207091724272829303335414849515968697779 |
| 2021030 | 2021-01-30 | 1012131421222325272829333444485560707780 |
| 2021031 | 2021-01-31 | 0106101219202223253234394350535758626667 |
| 2021032 | 2021-02-01 | 0306091012171920283233363840424849515363 |
| 2021033 | 2021-02-02 | 0110171921242729303143505364676971737680 |
| 2021034 | 2021-02-03 | 0214151722232737424549535561626667717677 |
| 2021035 | 2021-02-04 | 0105082022232529343536454751525354586777 |