n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 3 |
4 | 40 |
5 | 245 |
6 | 2976 |
7 | 35287 |
8 | 524560 |
9 | 8790777 |
10 | 165530800 |
11 | 3493679651 |
12 | 80812685064 |
13 | 2049413147509 |
14 | 56294089065592 |
15 | 1668771901644135 |
16 | 53057068616526496 |
17 | 1801519375618579313 |
18 | 65063987978980974048 |
19 | 2490449984485154892235 |
20 | 100716775979173952155480 |
[1,0,2,3,40,245,2976,35287,524560,8790777, 165530800,3493679651,80812685064,2049413147509, 56294089065592,1668771901644135,53057068616526496, 1801519375618579313,65063987978980974048, 2490449984485154892235,100716775979173952155480] |