n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 15 |
5 | 156 |
6 | 4665 |
7 | 269618 |
8 | 31573327 |
9 | 7375159140 |
10 | 3450904512841 |
11 | 3240500443884718 |
12 | 6113078165054644451 |
13 | 23175001880311842459108 |
14 | 176546824267008236554238517 |
15 | 2701847513793569606737940203894 |
16 | 83036203475880811677609125194805687 |
[1,0,1,2,15,156,4665,269618,31573327,7375159140, 3450904512841,3240500443884718, 6113078165054644451,23175001880311842459108, 176546824267008236554238517, 2701847513793569606737940203894, 83036203475880811677609125194805687] |