n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 40 |
5 | 545 |
6 | 13805 |
7 | 526773 |
8 | 18551951 |
9 | 768561384 |
10 | 31451535983 |
11 | 1273675677456 |
12 | 87868166035113 |
13 | 7601760995500947 |
14 | 664087819207293468 |
[1,1,0,1,40,545,13805,526773,18551951,768561384, 31451535983,1273675677456,87868166035113, 7601760995500947,664087819207293468] |