n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 16 |
5 | 244 |
6 | 6938 |
7 | 371342 |
8 | 37280140 |
9 | 7016898676 |
10 | 2476338996046 |
11 | 1638683680332022 |
12 | 2033288154472125378 |
13 | 4730646433644468299754 |
14 | 20637618504497727985203276 |
15 | 168817037972490215464239418020 |
[1,0,2,16,244,6938,371342,37280140,7016898676, 2476338996046,1638683680332022, 2033288154472125378,4730646433644468299754, 20637618504497727985203276, 168817037972490215464239418020] |