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| n | a(n) |
|---|---|
| 1 | 2056 |
| 2 | 28840 |
| 3 | 301776 |
| 4 | 4255966 |
| 5 | 49077768 |
| 6 | 678552840 |
| 7 | 8058197452 |
| 8 | 109362379520 |
| 9 | 1321852668660 |
| 10 | 17679539166428 |
| 11 | 216465813530752 |
| 12 | 2862957285500140 |
| 13 | 35397862176906684 |
| 14 | 464184948090425520 |
| 15 | 5782110121303095708 |
[2056,28840,301776,4255966,49077768,678552840, 8058197452,109362379520,1321852668660, 17679539166428,216465813530752,2862957285500140, 35397862176906684,464184948090425520, 5782110121303095708] |