n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 18 |
4 | 96 |
5 | 15000 |
6 | 6480 |
7 | 84707280 |
8 | 41287680 |
9 | 21427701120 |
10 | 56700000000 |
11 | 94121726392108800 |
12 | 2483144294400 |
13 | 11159820050604594969600 |
14 | 24625709514114508800 |
15 | 620634514500000000000 |
16 | 359450793240158011392000 |
[1,2,18,96,15000,6480,84707280,41287680, 21427701120,56700000000,94121726392108800, 2483144294400,11159820050604594969600, 24625709514114508800,620634514500000000000, 359450793240158011392000] |