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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 346 |
| 3 | 920 |
| 4 | 1016 |
| 5 | 39016 |
| 6 | 285422 |
| 7 | 630306 |
| 8 | 12378708 |
| 9 | 108542087 |
| 10 | 472695509 |
| 11 | 5199121658 |
| 12 | 46704561668 |
| 13 | 282819566127 |
| 14 | 2484588647059 |
| 15 | 21486126090213 |
| 16 | 151693481573725 |
| 17 | 1234399626861450 |
| 18 | 10281426006005255 |
| 19 | 77725590704286319 |
[8,346,920,1016,39016,285422,630306,12378708, 108542087,472695509,5199121658,46704561668, 282819566127,2484588647059,21486126090213, 151693481573725,1234399626861450, 10281426006005255,77725590704286319] |