n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362880 |
10 | 3628800 |
11 | 3628800 |
12 | 43545600 |
13 | 566092800 |
14 | 7925299200 |
15 | 118879488000 |
16 | 1902071808000 |
17 | 32335220736000 |
18 | 582033973248000 |
19 | 11058645491712000 |
20 | 221172909834240000 |
21 | 4644631106519040000 |
22 | 4644631106519040000 |
23 | 106826515449937920000 |
24 | 2563836370798510080000 |
[1,1,2,6,24,120,720,5040,40320,362880,3628800, 3628800,43545600,566092800,7925299200, 118879488000,1902071808000,32335220736000, 582033973248000,11058645491712000, 221172909834240000,4644631106519040000, 4644631106519040000,106826515449937920000, 2563836370798510080000] |