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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 15 |
| 4 | 28 |
| 5 | 49 |
| 6 | 72 |
| 7 | 103 |
| 8 | 138 |
| 9 | 177 |
| 10 | 228 |
| 11 | 275 |
| 12 | 330 |
| 13 | 397 |
| 14 | 464 |
| 15 | 543 |
| 16 | 620 |
| 17 | 707 |
| 18 | 800 |
| 19 | 891 |
| 20 | 1002 |
| 21 | 1105 |
| 22 | 1220 |
| 23 | 1341 |
| 24 | 1468 |
| 25 | 1605 |
| 26 | 1740 |
| 27 | 1883 |
| 28 | 2032 |
| 29 | 2187 |
| 30 | 2356 |
| 31 | 2517 |
| 32 | 2694 |
| 33 | 2869 |
| 34 | 3058 |
| 35 | 3249 |
| 36 | 3444 |
| 37 | 3645 |
| 38 | 3856 |
| 39 | 4075 |
| 40 | 4294 |
| 41 | 4519 |
| 42 | 4748 |
| 43 | 4987 |
| 44 | 5230 |
[1,6,15,28,49,72,103,138,177,228,275,330,397,464, 543,620,707,800,891,1002,1105,1220,1341,1468,1605, 1740,1883,2032,2187,2356,2517,2694,2869,3058,3249, 3444,3645,3856,4075,4294,4519,4748,4987,5230] |