n | a(n) |
---|---|
0 | 2 |
1 | 12 |
2 | 126 |
3 | 2160 |
4 | 49410 |
5 | 1415232 |
6 | 48649086 |
7 | 1951153920 |
8 | 89434106370 |
9 | 4611775398912 |
10 | 264235243691646 |
11 | 16653520425185280 |
12 | 1145011717430672130 |
13 | 85285640517460180992 |
14 | 6841110155700330881406 |
15 | 587950108643300554506240 |
16 | 53899295662946509072626690 |
17 | 5249943672359370392053481472 |
[2,12,126,2160,49410,1415232,48649086,1951153920, 89434106370,4611775398912,264235243691646, 16653520425185280,1145011717430672130, 85285640517460180992,6841110155700330881406, 587950108643300554506240, 53899295662946509072626690, 5249943672359370392053481472] |