n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 70 |
4 | 19320 |
5 | 11166120 |
6 | 11543439600 |
7 | 19491385914000 |
8 | 50233275604512000 |
9 | 187663723374359232000 |
10 | 975937986889287117696000 |
11 | 6838461558851342749449120000 |
12 | 62856853767402275979616458240000 |
13 | 741099150663748252073618880960000000 |
14 | 10997077750618335243742188527076864000000 |
[1,0,1,70,19320,11166120,11543439600, 19491385914000,50233275604512000, 187663723374359232000,975937986889287117696000, 6838461558851342749449120000, 62856853767402275979616458240000, 741099150663748252073618880960000000, 10997077750618335243742188527076864000000] |