n | a(n) |
---|---|
0 | 1 |
1 | 16 |
2 | 240 |
3 | 3600 |
4 | 53776 |
5 | 803504 |
6 | 11994096 |
7 | 179054640 |
8 | 2672126256 |
9 | 39878886896 |
10 | 595065468048 |
11 | 8879592484240 |
12 | 132491660323472 |
13 | 1976912303612080 |
14 | 29496313445323888 |
15 | 440098575225868624 |
16 | 6566302628140689744 |
17 | 97969968518462054352 |
18 | 1461698348385616122224 |
[1,16,240,3600,53776,803504,11994096,179054640, 2672126256,39878886896,595065468048,8879592484240, 132491660323472,1976912303612080, 29496313445323888,440098575225868624, 6566302628140689744,97969968518462054352, 1461698348385616122224] |