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| n | a(n) |
|---|---|
| 1 | 269 |
| 2 | 1807 |
| 3 | 12503 |
| 4 | 91777 |
| 5 | 666522 |
| 6 | 4907873 |
| 7 | 35978029 |
| 8 | 264753513 |
| 9 | 1945208633 |
| 10 | 14308155872 |
| 11 | 105188553635 |
| 12 | 773584601045 |
| 13 | 5688101213179 |
| 14 | 41828997394195 |
| 15 | 307581228052004 |
| 16 | 2261827178919767 |
| 17 | 16632180381484013 |
| 18 | 122305218359499415 |
[269,1807,12503,91777,666522,4907873,35978029, 264753513,1945208633,14308155872,105188553635, 773584601045,5688101213179,41828997394195, 307581228052004,2261827178919767, 16632180381484013,122305218359499415] |