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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 70 |
| 3 | 826 |
| 4 | 12758 |
| 5 | 223075 |
| 6 | 3825307 |
| 7 | 59155748 |
| 8 | 798834778 |
| 9 | 9379683461 |
| 10 | 96481143688 |
| 11 | 879275711012 |
| 12 | 7183343579974 |
| 13 | 53182973236784 |
| 14 | 360298764101463 |
| 15 | 2252503422916387 |
| 16 | 13090825673375302 |
| 17 | 71176326297105679 |
| 18 | 364068218093477268 |
[8,70,826,12758,223075,3825307,59155748,798834778, 9379683461,96481143688,879275711012,7183343579974, 53182973236784,360298764101463,2252503422916387, 13090825673375302,71176326297105679, 364068218093477268] |