n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 18 |
3 | 180 |
4 | 2640 |
5 | 59280 |
6 | 2096640 |
7 | 118067040 |
8 | 10659448800 |
9 | 1548438091200 |
10 | 362727075110400 |
11 | 137200338475200000 |
12 | 83862700757150515200 |
13 | 82876486430812314240000 |
14 | 132456397879190606981760000 |
15 | 342431262483097194433458432000 |
16 | 1432128704666605129972385934336000 |
[0,2,18,180,2640,59280,2096640,118067040, 10659448800,1548438091200,362727075110400, 137200338475200000,83862700757150515200, 82876486430812314240000, 132456397879190606981760000, 342431262483097194433458432000, 1432128704666605129972385934336000] |