n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 35280 |
9 | 246960 |
10 | 1728720 |
11 | 11167920 |
12 | 68286120 |
13 | 404423736 |
14 | 2363607402 |
15 | 13821281314 |
16 | 81653389147 |
17 | 490572457453 |
18 | 2976080502144 |
19 | 18138009463432 |
20 | 110672621450160 |
21 | 674657720355264 |
22 | 4104712985389632 |
[1,2,6,24,120,720,5040,35280,246960,1728720, 11167920,68286120,404423736,2363607402, 13821281314,81653389147,490572457453, 2976080502144,18138009463432,110672621450160, 674657720355264,4104712985389632] |