n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 52 |
4 | 840 |
5 | 26896 |
6 | 1721376 |
7 | 220336192 |
8 | 56406065280 |
9 | 28879905423616 |
10 | 29573023153783296 |
11 | 60565551418948191232 |
12 | 248076498612011791288320 |
13 | 2032242676629600594233921536 |
14 | 33296264013899376135928570454016 |
15 | 1091051979207454757222107396637212672 |
[1,6,52,840,26896,1721376,220336192,56406065280, 28879905423616,29573023153783296, 60565551418948191232,248076498612011791288320, 2032242676629600594233921536, 33296264013899376135928570454016, 1091051979207454757222107396637212672] |