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| n | a(n) |
|---|---|
| 1 | 561 |
| 2 | 13833 |
| 3 | 62745 |
| 4 | 170625 |
| 5 | 360801 |
| 6 | 656601 |
| 7 | 1081353 |
| 8 | 1658385 |
| 9 | 2411025 |
| 10 | 3362601 |
| 11 | 4536441 |
| 12 | 5955873 |
| 13 | 7644225 |
| 14 | 9624825 |
| 15 | 11921001 |
| 16 | 14556081 |
| 17 | 17553393 |
| 18 | 20936265 |
| 19 | 24728025 |
| 20 | 28952001 |
| 21 | 33631521 |
| 22 | 38789913 |
| 23 | 44450505 |
| 24 | 50636625 |
| 25 | 57371601 |
| 26 | 64678761 |
| 27 | 72581433 |
| 28 | 81102945 |
| 29 | 90266625 |
[561,13833,62745,170625,360801,656601,1081353, 1658385,2411025,3362601,4536441,5955873,7644225, 9624825,11921001,14556081,17553393,20936265, 24728025,28952001,33631521,38789913,44450505, 50636625,57371601,64678761,72581433,81102945, 90266625] |