n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 198 |
4 | 3604 |
5 | 69405 |
6 | 1386048 |
7 | 28403620 |
8 | 593399416 |
9 | 12584663901 |
10 | 270123960220 |
11 | 5855607723702 |
12 | 127986261470436 |
13 | 2952216605926965 |
14 | 62378907950601228 |
15 | 1388516401122627270 |
[1,12,198,3604,69405,1386048,28403620,593399416, 12584663901,270123960220,5855607723702, 127986261470436,2952216605926965, 62378907950601228,1388516401122627270] |