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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 83 |
| 4 | 668 |
| 5 | 5349 |
| 6 | 42798 |
| 7 | 342391 |
| 8 | 21913032 |
| 9 | 1402434057 |
| 10 | 89755779658 |
| 11 | 5744369898123 |
| 12 | 367639673479884 |
| 13 | 23528939102712589 |
| 14 | 1505852102573605710 |
| 15 | 96374534564710765455 |
| 16 | 6167970212141488989136 |
| 17 | 394750093577055295304721 |
[1,10,83,668,5349,42798,342391,21913032, 1402434057,89755779658,5744369898123, 367639673479884,23528939102712589, 1505852102573605710,96374534564710765455, 6167970212141488989136,394750093577055295304721] |