n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 12 |
5 | 88 |
6 | 496 |
7 | 4032 |
8 | 32072 |
9 | 335144 |
10 | 3443928 |
11 | 41477176 |
12 | 523289472 |
13 | 7298441952 |
14 | 107525078304 |
15 | 1714360202528 |
16 | 28771306555776 |
17 | 515446334184832 |
18 | 9722819034952832 |
19 | 193501572577378944 |
20 | 4042243606465206784 |
21 | 88584621284011603968 |
22 | 2029364250844776170496 |
23 | 48539531534286294782976 |
[1,1,1,5,12,88,496,4032,32072,335144,3443928, 41477176,523289472,7298441952,107525078304, 1714360202528,28771306555776,515446334184832, 9722819034952832,193501572577378944, 4042243606465206784,88584621284011603968, 2029364250844776170496,48539531534286294782976] |