n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 12 |
5 | 288 |
6 | 34560 |
7 | 48 |
8 | 241920 |
9 | 6 |
10 | 2177280 |
11 | 7900913664000 |
12 | 315379190543155200000 |
13 | 658409472000 |
14 | 4099929477061017600000 |
15 | 47029248000 |
16 | 61498942155915264000000 |
17 | 2939328000 |
18 | 1045482016650559488000000 |
19 | 163296000 |
[1,1,2,12,288,34560,48,241920,6,2177280, 7900913664000,315379190543155200000,658409472000, 4099929477061017600000,47029248000, 61498942155915264000000,2939328000, 1045482016650559488000000,163296000] |