n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 8 |
3 | 120 |
4 | 2528 |
5 | 66704 |
6 | 2080128 |
7 | 74115840 |
8 | 2952926720 |
9 | 129637843968 |
10 | 6205231472640 |
11 | 321275171444736 |
12 | 17880710254829568 |
13 | 1064356462925701120 |
14 | 67476012302577762304 |
15 | 4539384115900126199808 |
16 | 323034928746773883518976 |
17 | 24248087962137553507450880 |
[1,1,8,120,2528,66704,2080128,74115840,2952926720, 129637843968,6205231472640,321275171444736, 17880710254829568,1064356462925701120, 67476012302577762304,4539384115900126199808, 323034928746773883518976, 24248087962137553507450880] |