n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 65 |
4 | 1766 |
5 | 83674 |
6 | 6124584 |
7 | 639826452 |
8 | 90328291248 |
9 | 16558780949136 |
10 | 3823322392154880 |
11 | 1085461798576638240 |
12 | 371610484248792556800 |
13 | 150961314165968542273920 |
14 | 71790302154674639506682880 |
15 | 39506878580692178250399571200 |
16 | 24909116615180033772524150937600 |
[0,1,5,65,1766,83674,6124584,639826452, 90328291248,16558780949136,3823322392154880, 1085461798576638240,371610484248792556800, 150961314165968542273920, 71790302154674639506682880, 39506878580692178250399571200, 24909116615180033772524150937600] |