n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 81 |
4 | 1828 |
5 | 59910 |
6 | 2629800 |
7 | 146775160 |
8 | 10047085200 |
9 | 821599116300 |
10 | 78674552192800 |
11 | 8684916065005620 |
12 | 1091429676788178240 |
13 | 154543476785542516360 |
14 | 24445478524707259098240 |
15 | 4288239906998845117572000 |
16 | 829048705765475214447735040 |
[1,1,6,81,1828,59910,2629800,146775160, 10047085200,821599116300,78674552192800, 8684916065005620,1091429676788178240, 154543476785542516360,24445478524707259098240, 4288239906998845117572000, 829048705765475214447735040] |