n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 33 |
5 | 164 |
6 | 985 |
7 | 6894 |
8 | 55153 |
9 | 496376 |
10 | 4963761 |
11 | 54601370 |
12 | 655216441 |
13 | 8517813732 |
14 | 119249392249 |
15 | 1788740883734 |
16 | 28619854139745 |
17 | 486537520375664 |
18 | 8757675366761953 |
19 | 166395831968477106 |
20 | 3327916639369542121 |
21 | 69886249426760384540 |
22 | 1537497487388728459881 |
[1,1,3,8,33,164,985,6894,55153,496376,4963761, 54601370,655216441,8517813732,119249392249, 1788740883734,28619854139745,486537520375664, 8757675366761953,166395831968477106, 3327916639369542121,69886249426760384540, 1537497487388728459881] |