| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 990 |
| 3 | 23376 |
| 4 | 1753639 |
| 5 | 35160014 |
| 6 | 2829178640 |
| 7 | 57855419616 |
| 8 | 4836446707793 |
| 9 | 101866996330559 |
| 10 | 8702834137106991 |
| 11 | 187759794261834710 |
| 12 | 16250488781543733341 |
| 13 | 356862837288707460939 |
| 14 | 31136852536742130487995 |
[24,990,23376,1753639,35160014,2829178640, 57855419616,4836446707793,101866996330559, 8702834137106991,187759794261834710, 16250488781543733341,356862837288707460939, 31136852536742130487995] |