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| n | a(n) |
|---|---|
| 1 | 33 |
| 2 | 565 |
| 3 | 6419 |
| 4 | 53315 |
| 5 | 315601 |
| 6 | 1688101 |
| 7 | 8717049 |
| 8 | 44633821 |
| 9 | 227363409 |
| 10 | 1153594261 |
| 11 | 5835080169 |
| 12 | 29443836301 |
| 13 | 148292923329 |
| 14 | 745759583941 |
| 15 | 3745977788889 |
| 16 | 18798608421181 |
| 17 | 94267920012849 |
| 18 | 472439111692021 |
| 19 | 2366593604971209 |
[33,565,6419,53315,315601,1688101,8717049, 44633821,227363409,1153594261,5835080169, 29443836301,148292923329,745759583941, 3745977788889,18798608421181,94267920012849, 472439111692021,2366593604971209] |