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 |
|---|---|---|
| 701 | 04092858 | 0 |
| 702 | 10113158 | 0 |
| 703 | 06123158 | 0 |
| 704 | 01303158 | 0 |
| 705 | 03173258 | 0 |
| 706 | 09263458 | 0 |
| 707 | 01263558 | 0 |
| 708 | 08333558 | 0 |
| 709 | 07103658 | 0 |
| 710 | 19313658 | 0 |
| 711 | 04123858 | 0 |
| 712 | 22233858 | 0 |
| 713 | 18273858 | 0 |
| 714 | 18363858 | 0 |
| 715 | 07183958 | 0 |
| 716 | 25384058 | 0 |
| 717 | 21334158 | 0 |
| 718 | 10204258 | 0 |
| 719 | 10364258 | 0 |
| 720 | 03414258 | 0 |
| 721 | 17254358 | 0 |
| 722 | 12224458 | 0 |
| 723 | 17244458 | 0 |
| 724 | 03104558 | 0 |
| 725 | 04164558 | 0 |
| 726 | 24254658 | 0 |
| 727 | 24314658 | 0 |
| 728 | 09294758 | 0 |
| 729 | 09374758 | 0 |
| 730 | 24464758 | 0 |
| 731 | 15204958 | 0 |
| 732 | 19394958 | 0 |
| 733 | 20464958 | 0 |
| 734 | 24464958 | 0 |
| 735 | 21275058 | 0 |
| 736 | 19315058 | 0 |
| 737 | 21315058 | 0 |
| 738 | 32465058 | 0 |
| 739 | 04325158 | 0 |
| 740 | 13385158 | 0 |
| 741 | 32415158 | 0 |
| 742 | 05445158 | 0 |
| 743 | 04165358 | 0 |
| 744 | 04255358 | 0 |
| 745 | 04325358 | 0 |
| 746 | 08375358 | 0 |
| 747 | 04425358 | 0 |
| 748 | 04285558 | 0 |
| 749 | 02385558 | 0 |
| 750 | 04525558 | 0 |
| 751 | 50535558 | 0 |
| 752 | 01205658 | 0 |
| 753 | 20385658 | 0 |
| 754 | 24465658 | 0 |
| 755 | 05101759 | 0 |
| 756 | 09111759 | 0 |
| 757 | 05141759 | 0 |
| 758 | 09111859 | 0 |
| 759 | 06162259 | 0 |
| 760 | 05132459 | 0 |
| 761 | 18222659 | 0 |
| 762 | 22232759 | 0 |
| 763 | 19212859 | 0 |
| 764 | 05183059 | 0 |
| 765 | 18203059 | 0 |
| 766 | 23253059 | 0 |
| 767 | 07223259 | 0 |
| 768 | 13263359 | 0 |
| 769 | 06313659 | 0 |
| 770 | 17233859 | 0 |
| 771 | 23293859 | 0 |
| 772 | 06164159 | 0 |
| 773 | 01134259 | 0 |
| 774 | 03224259 | 0 |
| 775 | 15264559 | 0 |
| 776 | 10364559 | 0 |
| 777 | 18434559 | 0 |
| 778 | 03384759 | 0 |
| 779 | 04284959 | 0 |
| 780 | 25374959 | 0 |
| 781 | 22464959 | 0 |
| 782 | 14155159 | 0 |
| 783 | 15255159 | 0 |
| 784 | 17385159 | 0 |
| 785 | 44475159 | 0 |
| 786 | 14405459 | 0 |
| 787 | 05315559 | 0 |
| 788 | 26385559 | 0 |
| 789 | 26455559 | 0 |
| 790 | 43455559 | 0 |
| 791 | 22475559 | 0 |
| 792 | 18325659 | 0 |
| 793 | 26555759 | 0 |
| 794 | 09105859 | 0 |
| 795 | 06395859 | 0 |
| 796 | 22575859 | 0 |
| 797 | 11172160 | 0 |
| 798 | 01263060 | 0 |
| 799 | 11183260 | 0 |
| 800 | 07223260 | 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 |