n | a(n) |
---|---|
0 | 1 |
1 | 40 |
2 | 2008 |
3 | 109120 |
4 | 6173656 |
5 | 357903040 |
6 | 21090174400 |
7 | 1257411781120 |
8 | 75630327895000 |
9 | 4580277582101440 |
10 | 278915640538355008 |
11 | 17061127317021130240 |
12 | 1047543937631077672384 |
13 | 64523332938885758410240 |
14 | 3985152917145136901283328 |
15 | 246717298245058901071237120 |
[1,40,2008,109120,6173656,357903040,21090174400, 1257411781120,75630327895000,4580277582101440, 278915640538355008,17061127317021130240, 1047543937631077672384,64523332938885758410240, 3985152917145136901283328, 246717298245058901071237120] |