n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 40 |
5 | 357 |
6 | 4820 |
7 | 96030 |
8 | 2766572 |
9 | 113300265 |
10 | 6499477726 |
11 | 515564231770 |
12 | 55908184737696 |
13 | 8203615387086224 |
14 | 1613808957720017838 |
15 | 422045413500096791377 |
16 | 145606442599303799948900 |
17 | 65801956684134601408784992 |
18 | 38698135339344702725297294600 |
19 | 29437141738828506134939056167071 |
20 | 28800381656420765181010517468370560 |
[1,2,7,40,357,4820,96030,2766572,113300265, 6499477726,515564231770,55908184737696, 8203615387086224,1613808957720017838, 422045413500096791377,145606442599303799948900, 65801956684134601408784992, 38698135339344702725297294600, 29437141738828506134939056167071, 28800381656420765181010517468370560] |