n | a(n) |
---|---|
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 25 |
7 | 135 |
8 | 892 |
9 | 6937 |
10 | 61886 |
11 | 621956 |
12 | 6946471 |
13 | 85302935 |
14 | 1141820808 |
15 | 16540534553 |
16 | 257745010762 |
17 | 4298050731298 |
18 | 76356627952069 |
19 | 1439506369337319 |
20 | 28699241994332940 |
21 | 603229325513240569 |
22 | 13330768181611378558 |
23 | 308967866671489907656 |
24 | 7493481669479297191451 |
25 | 189793402599733802743015 |
26 | 5010686896406348299630712 |
[1,1,2,6,25,135,892,6937,61886,621956,6946471, 85302935,1141820808,16540534553,257745010762, 4298050731298,76356627952069,1439506369337319, 28699241994332940,603229325513240569, 13330768181611378558,308967866671489907656, 7493481669479297191451,189793402599733802743015, 5010686896406348299630712] |