User:A2569875/模板沙盒/數學測試/4
外观
- :-1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, ...
- 三角形數:1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, ...
- 費氏數列:1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, ...
- 階乘:1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, ...
- 質數階乘:2, 6, 30, 210, 2310, 30030, 510510, 9699690, 223092870, 6469693230, ...
- 错排问题:0, 1, 2, 9, 44, 265, 1854, 14833, 133496, 1334961, ...
- 24的因數:1, 2, 3, 4, 6, 8, 12, 24, 。
- 二項式係數:1,5,10,10,5,1,。
A020806:1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,