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| n | a(n) |
|---|---|
| 1 | 237169 |
| 2 | 519841 |
| 3 | 1795640625 |
| 4 | 12127515625 |
| 5 | 39312975625 |
| 6 | 1562067529929 |
| 7 | 7140252015625 |
| 8 | 13456608305625 |
| 9 | 17689805105625 |
| 10 | 21995856120676 |
| 11 | 55450123962256 |
| 12 | 288990106084681 |
| 13 | 349690935000625 |
| 14 | 3516498895005625 |
| 15 | 4426816403205625 |
| 16 | 7224752652117025 |
| 17 | 19424557728928144 |
[237169,519841,1795640625,12127515625,39312975625, 1562067529929,7140252015625,13456608305625, 17689805105625,21995856120676,55450123962256, 288990106084681,349690935000625,3516498895005625, 4426816403205625,7224752652117025, 19424557728928144] |