n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 12 |
4 | 272 |
5 | 9920 |
6 | 530688 |
7 | 39144448 |
8 | 3807514624 |
9 | 472197021696 |
10 | 72722212782080 |
11 | 13616619646091264 |
12 | 3046271659520557056 |
13 | 802494810618175946752 |
14 | 245880605613803859607552 |
15 | 86696940704285991905525760 |
16 | 34855851028500677184683245568 |
[0,0,1,12,272,9920,530688,39144448,3807514624, 472197021696,72722212782080,13616619646091264, 3046271659520557056,802494810618175946752, 245880605613803859607552, 86696940704285991905525760, 34855851028500677184683245568] |