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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 6 |
| 3 | 19 |
| 4 | 44 |
| 5 | 85 |
| 6 | 146 |
| 7 | 231 |
| 8 | 344 |
| 9 | 489 |
| 10 | 670 |
| 11 | 891 |
| 12 | 1156 |
| 13 | 1469 |
| 14 | 1834 |
| 15 | 2255 |
| 16 | 2736 |
| 17 | 3281 |
| 18 | 3894 |
| 19 | 4579 |
| 20 | 5340 |
| 21 | 6181 |
| 22 | 7106 |
| 23 | 8119 |
| 24 | 9224 |
| 25 | 10425 |
| 26 | 11726 |
| 27 | 13131 |
| 28 | 14644 |
| 29 | 16269 |
| 30 | 18010 |
| 31 | 19871 |
| 32 | 21856 |
| 33 | 23969 |
| 34 | 26214 |
| 35 | 28595 |
| 36 | 31116 |
| 37 | 33781 |
| 38 | 36594 |
| 39 | 39559 |
| 40 | 42680 |
[0,1,6,19,44,85,146,231,344,489,670,891,1156,1469, 1834,2255,2736,3281,3894,4579,5340,6181,7106,8119, 9224,10425,11726,13131,14644,16269,18010,19871, 21856,23969,26214,28595,31116,33781,36594,39559, 42680] |