n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 8 |
6 | 45 |
7 | 416 |
8 | 6657 |
9 | 189372 |
10 | 9695869 |
11 | 902597327 |
12 | 154043277297 |
13 | 48535481831642 |
14 | 28400190511772276 |
15 | 31020581422991798557 |
16 | 63530150754287203445810 |
17 | 244912468225468597942626507 |
18 | 1783398168624923337196441201196 |
19 | 24605638395579573858211783276124626 |
[1,1,1,2,8,45,416,6657,189372,9695869,902597327, 154043277297,48535481831642,28400190511772276, 31020581422991798557,63530150754287203445810, 244912468225468597942626507, 1783398168624923337196441201196, 24605638395579573858211783276124626] |