n | a(n) |
---|---|
0 | 1 |
1 | 3628800 |
2 | 2375880867360000 |
3 | 4386797336285844480000000 |
4 | 12868639981414579848070084500000000 |
5 | 49120458506088132224064306071170476903628800 |
[1,3628800,2375880867360000, 4386797336285844480000000, 12868639981414579848070084500000000, 49120458506088132224064306071170476903628800] |