n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 108 |
4 | 2514 |
5 | 66456 |
6 | 1887624 |
7 | 56279088 |
8 | 1737120600 |
9 | 55031743440 |
10 | 1779094513494 |
11 | 58457105824392 |
12 | 1946499103128888 |
13 | 65537993150694072 |
14 | 2227498169071638960 |
15 | 76321564765011374400 |
16 | 2633410931198196730680 |
17 | 91422656110479694644576 |
18 | 3191108301755033616904896 |
19 | 111923700012443943176623740 |
[1,6,108,2514,66456,1887624,56279088,1737120600, 55031743440,1779094513494,58457105824392, 1946499103128888,65537993150694072, 2227498169071638960,76321564765011374400, 2633410931198196730680,91422656110479694644576, 3191108301755033616904896, 111923700012443943176623740] |