n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 10 |
4 | 135 |
5 | 2288 |
6 | 53795 |
7 | 1625958 |
8 | 61408620 |
9 | 2823039912 |
10 | 154822101975 |
11 | 9964508664900 |
12 | 742498325393077 |
13 | 63327680888719284 |
14 | 6122351446047588778 |
15 | 665295048647712247030 |
16 | 80666327472879792796515 |
17 | 10842875860595742916865856 |
18 | 1606496634499026283898516527 |
[1,0,2,10,135,2288,53795,1625958,61408620, 2823039912,154822101975,9964508664900, 742498325393077,63327680888719284, 6122351446047588778,665295048647712247030, 80666327472879792796515, 10842875860595742916865856, 1606496634499026283898516527] |