n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 14 |
3 | 426 |
4 | 24024 |
5 | 2170680 |
6 | 287250480 |
7 | 52370755920 |
8 | 12585067447680 |
9 | 3854801333416320 |
10 | 1465957162768492800 |
11 | 677696237345719468800 |
12 | 374281829360322587827200 |
13 | 243388909697235614324812800 |
14 | 184070135024053703140543027200 |
15 | 160192129141963141211280644352000 |
[1,1,14,426,24024,2170680,287250480,52370755920, 12585067447680,3854801333416320, 1465957162768492800,677696237345719468800, 374281829360322587827200, 243388909697235614324812800, 184070135024053703140543027200, 160192129141963141211280644352000] |