n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 11 |
4 | 52 |
5 | 272 |
6 | 1414 |
7 | 7751 |
8 | 43208 |
9 | 246663 |
10 | 1430440 |
11 | 8414639 |
12 | 50065628 |
13 | 300830571 |
14 | 1822758766 |
15 | 11124755380 |
16 | 68328711696 |
17 | 422030545334 |
18 | 2619630794574 |
19 | 16332922290299 |
20 | 102240108466928 |
21 | 642312451209982 |
22 | 4048514835624478 |
23 | 25594403741131679 |
24 | 162250237951706584 |
[1,2,11,52,272,1414,7751,43208,246663,1430440, 8414639,50065628,300830571,1822758766,11124755380, 68328711696,422030545334,2619630794574, 16332922290299,102240108466928,642312451209982, 4048514835624478,25594403741131679, 162250237951706584] |