n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 26 |
4 | 252 |
5 | 3124 |
6 | 46626 |
7 | 823542 |
8 | 16776960 |
9 | 387420462 |
10 | 9999996872 |
11 | 285311670610 |
12 | 8916100401348 |
13 | 302875106592252 |
14 | 11112006824734470 |
15 | 437893890380856224 |
16 | 18446744073692774400 |
17 | 827240261886336764176 |
[1,3,26,252,3124,46626,823542,16776960,387420462, 9999996872,285311670610,8916100401348, 302875106592252,11112006824734470, 437893890380856224,18446744073692774400, 827240261886336764176] |