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 |
|---|---|---|
| 601 | 24434555 | 0 |
| 602 | 38434555 | 0 |
| 603 | 01444555 | 0 |
| 604 | 29384655 | 0 |
| 605 | 04144755 | 0 |
| 606 | 05144755 | 0 |
| 607 | 04274755 | 0 |
| 608 | 04284755 | 0 |
| 609 | 07294755 | 0 |
| 610 | 16304755 | 0 |
| 611 | 04164855 | 0 |
| 612 | 07244855 | 0 |
| 613 | 19254855 | 0 |
| 614 | 05364855 | 0 |
| 615 | 33434855 | 0 |
| 616 | 02074955 | 0 |
| 617 | 09294955 | 0 |
| 618 | 23324955 | 0 |
| 619 | 25324955 | 0 |
| 620 | 38394955 | 0 |
| 621 | 10404955 | 0 |
| 622 | 08454955 | 0 |
| 623 | 44474955 | 0 |
| 624 | 08135155 | 0 |
| 625 | 08485155 | 0 |
| 626 | 25375255 | 0 |
| 627 | 20455255 | 0 |
| 628 | 40425455 | 0 |
| 629 | 06141656 | 0 |
| 630 | 05101756 | 0 |
| 631 | 14162056 | 0 |
| 632 | 17212856 | 0 |
| 633 | 16172956 | 0 |
| 634 | 06243156 | 0 |
| 635 | 01173356 | 0 |
| 636 | 17283356 | 0 |
| 637 | 11243556 | 0 |
| 638 | 12223756 | 0 |
| 639 | 14223756 | 0 |
| 640 | 03293856 | 0 |
| 641 | 15363856 | 0 |
| 642 | 05173956 | 0 |
| 643 | 28303956 | 0 |
| 644 | 17383956 | 0 |
| 645 | 20234156 | 0 |
| 646 | 03434756 | 0 |
| 647 | 23434756 | 0 |
| 648 | 20334856 | 0 |
| 649 | 07224956 | 0 |
| 650 | 14155156 | 0 |
| 651 | 01385156 | 0 |
| 652 | 15395156 | 0 |
| 653 | 21385356 | 0 |
| 654 | 23405356 | 0 |
| 655 | 17195456 | 0 |
| 656 | 17275556 | 0 |
| 657 | 23315556 | 0 |
| 658 | 03385556 | 0 |
| 659 | 04061257 | 0 |
| 660 | 01132357 | 0 |
| 661 | 04222657 | 0 |
| 662 | 04262857 | 0 |
| 663 | 17202957 | 0 |
| 664 | 05203057 | 0 |
| 665 | 10243157 | 0 |
| 666 | 04163257 | 0 |
| 667 | 14153757 | 0 |
| 668 | 01263857 | 0 |
| 669 | 19304157 | 0 |
| 670 | 05284257 | 0 |
| 671 | 23284257 | 0 |
| 672 | 23414257 | 0 |
| 673 | 30414257 | 0 |
| 674 | 04054357 | 0 |
| 675 | 18364357 | 0 |
| 676 | 33394357 | 0 |
| 677 | 17434557 | 0 |
| 678 | 07144657 | 0 |
| 679 | 09244657 | 0 |
| 680 | 04324757 | 0 |
| 681 | 34424857 | 0 |
| 682 | 15325057 | 0 |
| 683 | 20465057 | 0 |
| 684 | 05465157 | 0 |
| 685 | 01515257 | 0 |
| 686 | 37385457 | 0 |
| 687 | 37475457 | 0 |
| 688 | 01385657 | 0 |
| 689 | 06455657 | 0 |
| 690 | 16455657 | 0 |
| 691 | 06465657 | 0 |
| 692 | 05131858 | 0 |
| 693 | 03171858 | 0 |
| 694 | 06071958 | 0 |
| 695 | 07101958 | 0 |
| 696 | 04182058 | 0 |
| 697 | 05132158 | 0 |
| 698 | 03072558 | 0 |
| 699 | 10112658 | 0 |
| 700 | 07222658 | 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 |