n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 12 |
4 | 124 |
5 | 1820 |
6 | 34476 |
7 | 796600 |
8 | 21647088 |
9 | 674894736 |
10 | 23727325600 |
11 | 929120132336 |
12 | 40145865303072 |
13 | 1899037891380448 |
14 | 97624128373666272 |
15 | 5416162739385169920 |
16 | 322369745413410839296 |
17 | 20496143199154076929280 |
[1,2,12,124,1820,34476,796600,21647088,674894736, 23727325600,929120132336,40145865303072, 1899037891380448,97624128373666272, 5416162739385169920,322369745413410839296, 20496143199154076929280] |