n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 26 |
5 | 924 |
6 | 81624 |
7 | 13433520 |
8 | 3706068240 |
9 | 1582042381920 |
10 | 987057348842880 |
11 | 861632512758823680 |
12 | 1016677874552767660800 |
13 | 1576819957670934809817600 |
14 | 3140963381712726319842892800 |
15 | 7880571655922780897709237811200 |
16 | 24492587962448960350527019884595200 |
[1,1,2,26,924,81624,13433520,3706068240, 1582042381920,987057348842880,861632512758823680, 1016677874552767660800,1576819957670934809817600, 3140963381712726319842892800, 7880571655922780897709237811200, 24492587962448960350527019884595200] |