n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 24 |
5 | 2040 |
6 | 297200 |
7 | 68938800 |
8 | 24046189440 |
9 | 12025780892160 |
10 | 8302816499443200 |
11 | 7673688777463632000 |
12 | 9254768770160124288000 |
13 | 14255616537578735986867200 |
14 | 27537152449960680597739468800 |
15 | 65662040698002721810659005184000 |
[1,0,0,1,24,2040,297200,68938800,24046189440, 12025780892160,8302816499443200, 7673688777463632000,9254768770160124288000, 14255616537578735986867200, 27537152449960680597739468800, 65662040698002721810659005184000] |