n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 36 |
4 | 528 |
5 | 11000 |
6 | 301680 |
7 | 10379376 |
8 | 433371008 |
9 | 21434318496 |
10 | 1232928216000 |
11 | 81297809313600 |
12 | 6074187611551488 |
13 | 509351655073262976 |
14 | 47554889211476564736 |
15 | 4909859201019880800000 |
16 | 557309205260654645145600 |
[1,4,36,528,11000,301680,10379376,433371008, 21434318496,1232928216000,81297809313600, 6074187611551488,509351655073262976, 47554889211476564736,4909859201019880800000, 557309205260654645145600] |