n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 126 |
4 | 4284 |
5 | 235620 |
6 | 19085220 |
7 | 2137544640 |
8 | 316356606720 |
9 | 59791398670080 |
10 | 14050978687468800 |
11 | 4018579904616076800 |
12 | 1374354327378698265600 |
13 | 553864793933615401036800 |
14 | 259762588354865623086259200 |
[1,1,7,126,4284,235620,19085220,2137544640, 316356606720,59791398670080,14050978687468800, 4018579904616076800,1374354327378698265600, 553864793933615401036800, 259762588354865623086259200] |