n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 46 |
4 | 371 |
5 | 3026 |
6 | 24707 |
7 | 201748 |
8 | 1647429 |
9 | 13452565 |
10 | 109850886 |
11 | 897019828 |
12 | 7324880157 |
13 | 59813470848 |
14 | 488424550081 |
15 | 3988374821616 |
16 | 32568251770049 |
17 | 265945672309613 |
18 | 2171657880797162 |
19 | 17733313387923690 |
20 | 144806604435722311 |
21 | 1182461068019218530 |
22 | 9655734852907204771 |
[1,6,46,371,3026,24707,201748,1647429,13452565, 109850886,897019828,7324880157,59813470848, 488424550081,3988374821616,32568251770049, 265945672309613,2171657880797162, 17733313387923690,144806604435722311, 1182461068019218530,9655734852907204771] |