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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 353 |
| 3 | 578 |
| 4 | 6007 |
| 5 | 44936 |
| 6 | 255009 |
| 7 | 2170819 |
| 8 | 16528508 |
| 9 | 123272050 |
| 10 | 976854712 |
| 11 | 7530554085 |
| 12 | 58454112878 |
| 13 | 457202830027 |
| 14 | 3549779070263 |
| 15 | 27660647795555 |
| 16 | 215783822807485 |
| 17 | 1679905974605338 |
| 18 | 13091806853510818 |
| 19 | 102058138906901208 |
[64,353,578,6007,44936,255009,2170819,16528508, 123272050,976854712,7530554085,58454112878, 457202830027,3549779070263,27660647795555, 215783822807485,1679905974605338, 13091806853510818,102058138906901208] |