n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 72 |
3 | 3960 |
4 | 354816 |
5 | 47952000 |
6 | 9169459200 |
7 | 2363720486400 |
8 | 791505727488000 |
9 | 334400903553024000 |
10 | 174128130895380480000 |
11 | 109627479651269099520000 |
12 | 82122139255681984757760000 |
13 | 72210265570358144925696000000 |
14 | 73668698593180294904178278400000 |
15 | 86324332785379145107697958912000000 |
[1,2,72,3960,354816,47952000,9169459200, 2363720486400,791505727488000,334400903553024000, 174128130895380480000,109627479651269099520000, 82122139255681984757760000, 72210265570358144925696000000, 73668698593180294904178278400000, 86324332785379145107697958912000000] |