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 |
|---|---|---|
| 2020001 | 2020-10-28 | 0608152728303738394446495152597075777880 |
| 2020002 | 2020-10-29 | 0205101319232629323542535557586062677879 |
| 2020003 | 2020-10-30 | 0408141821404142465052555657617072757780 |
| 2020004 | 2020-10-31 | 0710121419222326354243444849536365717778 |
| 2020005 | 2020-11-01 | 0211131416182430353845495051535455576580 |
| 2020006 | 2020-11-02 | 0208161820232425262832485456576061727880 |
| 2020007 | 2020-11-03 | 0810121326272931363841445357586066687578 |
| 2020008 | 2020-11-04 | 0205091113192829303334414853585972757880 |
| 2020009 | 2020-11-05 | 0608101217273032343943475155586168727580 |
| 2020010 | 2020-11-06 | 0407101821303235363842495355637074757879 |
| 2020011 | 2020-11-07 | 0103071318192021223137394050545663646979 |
| 2020012 | 2020-11-08 | 0204050710111519204446475459646671747577 |
| 2020013 | 2020-11-09 | 0611131621252837383943505161626469737679 |
| 2020014 | 2020-11-10 | 0215192023262938404243454951646674757680 |
| 2020015 | 2020-11-11 | 0509151617253041434651526165697072737476 |
| 2020016 | 2020-11-12 | 0409111213171922243536434748495557586471 |
| 2020017 | 2020-11-13 | 0910131819202930343642444951535669767779 |
| 2020018 | 2020-11-14 | 0305121620212227323639454951585963707276 |
| 2020019 | 2020-11-15 | 0203070809112223283134395761647172767780 |
| 2020020 | 2020-11-16 | 0306091116373940414849515255565758617078 |
| 2020021 | 2020-11-17 | 0304101316172435384348505458597072737475 |
| 2020022 | 2020-11-18 | 0306111213181924303233353647515862687072 |
| 2020023 | 2020-11-19 | 0103040710131516253032363846485161646780 |
| 2020024 | 2020-11-20 | 1112151728353743444649505560707173767880 |
| 2020025 | 2020-11-21 | 0204061021323337394048495961636465707980 |
| 2020026 | 2020-11-22 | 0203061118223034353746485357616871777980 |
| 2020027 | 2020-11-23 | 0811121619303233404547505458596162767980 |
| 2020028 | 2020-11-24 | 0506081317222728303240616364656671747576 |
| 2020029 | 2020-11-25 | 1015232529303133485051545762637071757679 |
| 2020030 | 2020-11-26 | 0205071822232729303234374051565862677078 |
| 2020031 | 2020-11-27 | 0104080916212325354348535457666773757980 |
| 2020032 | 2020-11-28 | 0209101329323747485056646869727375767778 |
| 2020033 | 2020-11-29 | 0410121619252628323436394250546166717580 |
| 2020034 | 2020-11-30 | 0104081824263032354244485157616365687374 |
| 2020035 | 2020-12-01 | 0305070811192430324044455354576372767780 |
| 2020036 | 2020-12-02 | 0309141622232426404147495456586567727377 |
| 2020037 | 2020-12-03 | 0810141525333436394041444856606364707780 |
| 2020038 | 2020-12-04 | 1012141516232427303233424950516066677277 |
| 2020039 | 2020-12-05 | 0103070911171923323438404243526168707780 |
| 2020040 | 2020-12-06 | 0304070816263233374142455659616365667680 |
| 2020041 | 2020-12-07 | 0613192126303738394142454748525362727580 |
| 2020042 | 2020-12-08 | 0205060811192634404349525358606163727576 |
| 2020043 | 2020-12-09 | 0509131819213335383940444857646567686976 |
| 2020044 | 2020-12-10 | 0203070911121626283233344445464852576366 |
| 2020045 | 2020-12-11 | 0306131419222330313538414452596370737578 |
| 2020046 | 2020-12-12 | 0305111518192730323336373942515466687179 |
| 2020047 | 2020-12-13 | 0405101718222728374243454648495154556678 |
| 2020048 | 2020-12-14 | 0210111215192027323645475362666769737879 |
| 2020049 | 2020-12-15 | 0712151819202931424652545963656770717780 |
| 2020050 | 2020-12-16 | 0405081415202329414250515360676870717679 |