n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 15 |
4 | 188 |
5 | 3300 |
6 | 74484 |
7 | 2054864 |
8 | 66998448 |
9 | 2520581400 |
10 | 107472778320 |
11 | 5121576763512 |
12 | 269759385873504 |
13 | 15561785854196400 |
14 | 975788232119245440 |
15 | 66080957140527828480 |
16 | 4806533577745476290304 |
17 | 373724762062131412853760 |
[0,1,2,15,188,3300,74484,2054864,66998448, 2520581400,107472778320,5121576763512, 269759385873504,15561785854196400, 975788232119245440,66080957140527828480, 4806533577745476290304,373724762062131412853760] |