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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 15 |
| 2 | 51 |
| 3 | 125 |
| 4 | 225 |
| 5 | 366 |
| 6 | 535 |
| 7 | 729 |
| 8 | 963 |
| 9 | 1247 |
| 10 | 1522 |
| 11 | 1861 |
| 12 | 2213 |
| 13 | 2601 |
| 14 | 3037 |
| 15 | 3502 |
| 16 | 4011 |
| 17 | 4535 |
| 18 | 5039 |
| 19 | 5693 |
| 20 | 6252 |
| 21 | 6937 |
| 22 | 7669 |
| 23 | 8347 |
| 24 | 9119 |
| 25 | 9918 |
| 26 | 10659 |
| 27 | 11541 |
| 28 | 12421 |
| 29 | 13323 |
| 30 | 14316 |
| 31 | 15299 |
| 32 | 16283 |
| 33 | 17285 |
| 34 | 18407 |
| 35 | 19456 |
| 36 | 20597 |
| 37 | 21893 |
| 38 | 23029 |
| 39 | 24259 |
[1,15,51,125,225,366,535,729,963,1247,1522,1861, 2213,2601,3037,3502,4011,4535,5039,5693,6252,6937, 7669,8347,9119,9918,10659,11541,12421,13323,14316, 15299,16283,17285,18407,19456,20597,21893,23029, 24259] |