n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 12 |
8 | 72 |
9 | 1152 |
10 | 96768 |
11 | 118444032 |
12 | 11598039613440 |
13 | 1374840894208868352000 |
14 | 15945621994910596019667697926144000 |
15 | 21922693387137438627357958684974264478793362424463360000 |
[0,1,1,1,2,4,12,72,1152,96768,118444032, 11598039613440,1374840894208868352000, 15945621994910596019667697926144000, 21922693387137438627357958684974264478793362424463\ 360000] |