n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 35280 |
9 | 246960 |
10 | 1728720 |
11 | 12101040 |
12 | 79108560 |
13 | 494049000 |
14 | 3006564984 |
15 | 18109683246 |
16 | 109214866454 |
17 | 664787648911 |
18 | 4106439430633 |
19 | 25584780661372 |
20 | 160081841995060 |
21 | 1002916510960752 |
22 | 6280003869565440 |
[1,2,6,24,120,720,5040,35280,246960,1728720, 12101040,79108560,494049000,3006564984, 18109683246,109214866454,664787648911, 4106439430633,25584780661372,160081841995060, 1002916510960752,6280003869565440] |