n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 44 |
4 | 581 |
5 | 10256 |
6 | 227529 |
7 | 6088256 |
8 | 190930729 |
9 | 6870227200 |
10 | 279066777613 |
11 | 12632667642880 |
12 | 630670054092525 |
13 | 34426087332253696 |
14 | 2039903110075608977 |
15 | 130404672744539242496 |
16 | 8946117466489960168913 |
17 | 655585000075494566199296 |
18 | 51111210765059412626238741 |
[1,1,5,44,581,10256,227529,6088256,190930729, 6870227200,279066777613,12632667642880, 630670054092525,34426087332253696, 2039903110075608977,130404672744539242496, 8946117466489960168913,655585000075494566199296, 51111210765059412626238741] |