n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 348 |
4 | 6093 |
5 | 108182 |
6 | 1890123 |
7 | 31500927 |
8 | 490890277 |
9 | 7086257602 |
10 | 94548676765 |
11 | 1167995082810 |
12 | 13406707973018 |
13 | 143598707530374 |
14 | 1441525802509250 |
15 | 13619352767824724 |
16 | 121574625625030584 |
17 | 1029031775725235400 |
18 | 8285521569322196569 |
19 | 63648858792893665714 |
[1,20,348,6093,108182,1890123,31500927,490890277, 7086257602,94548676765,1167995082810, 13406707973018,143598707530374,1441525802509250, 13619352767824724,121574625625030584, 1029031775725235400,8285521569322196569, 63648858792893665714] |