n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 5 |
5 | 37 |
6 | 366 |
7 | 4553 |
8 | 68408 |
9 | 1206405 |
10 | 24447440 |
11 | 560041201 |
12 | 14315792256 |
13 | 404057805989 |
14 | 12482986261760 |
15 | 419042630871225 |
16 | 15189786100468736 |
17 | 591374264243364037 |
18 | 24612549706061862912 |
19 | 1090556290466098198625 |
[0,0,1,5,37,366,4553,68408,1206405,24447440, 560041201,14315792256,404057805989,12482986261760, 419042630871225,15189786100468736, 591374264243364037,24612549706061862912, 1090556290466098198625] |