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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 15 |
| 3 | 28 |
| 4 | 91 |
| 5 | 153 |
| 6 | 190 |
| 7 | 325 |
| 8 | 496 |
| 9 | 703 |
| 10 | 861 |
| 11 | 946 |
| 12 | 1431 |
| 13 | 1891 |
| 14 | 2278 |
| 15 | 2701 |
| 16 | 3655 |
| 17 | 4753 |
| 18 | 5151 |
| 19 | 5356 |
| 20 | 5995 |
| 21 | 6441 |
| 22 | 7381 |
| 23 | 8128 |
| 24 | 8911 |
| 25 | 9453 |
| 26 | 10585 |
| 27 | 11476 |
| 28 | 12403 |
| 29 | 13366 |
| 30 | 15051 |
| 31 | 18721 |
| 32 | 21115 |
| 33 | 22366 |
| 34 | 23653 |
[6,15,28,91,153,190,325,496,703,861,946,1431,1891, 2278,2701,3655,4753,5151,5356,5995,6441,7381,8128, 8911,9453,10585,11476,12403,13366,15051,18721, 21115,22366,23653] |