n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 22 |
4 | 209 |
5 | 2756 |
6 | 43717 |
7 | 839686 |
8 | 18581425 |
9 | 470707192 |
10 | 13352676101 |
11 | 420875581754 |
12 | 14566375690297 |
13 | 549877190829604 |
14 | 22472783629465093 |
15 | 989043215802778966 |
16 | 46631075599107558113 |
17 | 2345376059569552767344 |
18 | 125350843842721213505029 |
19 | 7095169059445749303612946 |
[1,1,3,22,209,2756,43717,839686,18581425, 470707192,13352676101,420875581754,14566375690297, 549877190829604,22472783629465093, 989043215802778966,46631075599107558113, 2345376059569552767344,125350843842721213505029, 7095169059445749303612946] |