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| n | a(n) |
|---|---|
| 1 | 484416 |
| 2 | 1625625 |
| 3 | 3136441 |
| 4 | 6441444 |
| 5 | 12152196 |
| 6 | 36168196 |
| 7 | 36252441 |
| 8 | 63504961 |
| 9 | 257121225 |
| 10 | 259049025 |
| 11 | 259081216 |
| 12 | 367680625 |
| 13 | 841232016 |
| 14 | 1605284356 |
| 15 | 2253875625 |
| 16 | 4622504121 |
| 17 | 4761966049 |
| 18 | 5776760025 |
| 19 | 7292476816 |
| 20 | 8117649604 |
[484416,1625625,3136441,6441444,12152196,36168196, 36252441,63504961,257121225,259049025,259081216, 367680625,841232016,1605284356,2253875625, 4622504121,4761966049,5776760025,7292476816, 8117649604] |