n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 23 |
7 | 196 |
8 | 2813 |
9 | 65961 |
10 | 2461846 |
11 | 142900605 |
12 | 12629963362 |
13 | 1667181039425 |
14 | 322952216807258 |
15 | 90343400059852993 |
16 | 35964677954267885714 |
17 | 20101122321919710856624 |
18 | 15578877275203698667362792 |
19 | 16551744087124668098653612165 |
[1,1,1,1,2,5,23,196,2813,65961,2461846,142900605, 12629963362,1667181039425,322952216807258, 90343400059852993,35964677954267885714, 20101122321919710856624, 15578877275203698667362792, 16551744087124668098653612165] |