n | a(n) |
---|---|
2 | 1 |
3 | 12 |
4 | 215 |
5 | 5700 |
6 | 212464 |
7 | 10645152 |
8 | 691560092 |
9 | 56600396640 |
10 | 5701663652256 |
11 | 693513787887360 |
12 | 100238236943757120 |
13 | 16984716659427928320 |
14 | 3334997046159250716672 |
15 | 751255152802084700098560 |
16 | 192454224298697834146195200 |
17 | 55636762557552859712661811200 |
[1,12,215,5700,212464,10645152,691560092, 56600396640,5701663652256,693513787887360, 100238236943757120,16984716659427928320, 3334997046159250716672,751255152802084700098560, 192454224298697834146195200, 55636762557552859712661811200] |