n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 52 |
4 | 357 |
5 | 16776 |
6 | 114985 |
7 | 5401852 |
8 | 37024845 |
9 | 1739379600 |
10 | 11921885137 |
11 | 560074829380 |
12 | 3838809989301 |
13 | 180342355680792 |
14 | 1236084894669817 |
15 | 58069678454385676 |
16 | 398015497273691805 |
17 | 18698256119956506912 |
18 | 128159754037234091425 |
19 | 6020780400947540840020 |
[0,1,52,357,16776,114985,5401852,37024845, 1739379600,11921885137,560074829380,3838809989301, 180342355680792,1236084894669817, 58069678454385676,398015497273691805, 18698256119956506912,128159754037234091425, 6020780400947540840020] |