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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 27 |
| 4 | 76 |
| 5 | 175 |
| 6 | 351 |
| 7 | 637 |
| 8 | 1072 |
| 9 | 1701 |
| 10 | 2575 |
| 11 | 3751 |
| 12 | 5292 |
| 13 | 7267 |
| 14 | 9751 |
| 15 | 12825 |
| 16 | 16576 |
| 17 | 21097 |
| 18 | 26487 |
| 19 | 32851 |
| 20 | 40300 |
| 21 | 48951 |
| 22 | 58927 |
| 23 | 70357 |
| 24 | 83376 |
| 25 | 98125 |
| 26 | 114751 |
| 27 | 133407 |
| 28 | 154252 |
| 29 | 177451 |
| 30 | 203175 |
| 31 | 231601 |
| 32 | 262912 |
| 33 | 297297 |
| 34 | 334951 |
| 35 | 376075 |
| 36 | 420876 |
| 37 | 469567 |
[1,7,27,76,175,351,637,1072,1701,2575,3751,5292, 7267,9751,12825,16576,21097,26487,32851,40300, 48951,58927,70357,83376,98125,114751,133407, 154252,177451,203175,231601,262912,297297,334951, 376075,420876,469567] |