n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 280 |
3 | 5544 |
4 | 102960 |
5 | 1847560 |
6 | 32449872 |
7 | 561632400 |
8 | 9617286240 |
9 | 163352435400 |
10 | 2756930576400 |
11 | 46290177201840 |
12 | 773942488394400 |
13 | 12893881856650704 |
14 | 214163336821292320 |
15 | 3547937446945842720 |
[1,12,280,5544,102960,1847560,32449872,561632400, 9617286240,163352435400,2756930576400, 46290177201840,773942488394400,12893881856650704, 214163336821292320,3547937446945842720] |