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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 15 |
| 3 | 35 |
| 4 | 56 |
| 5 | 88 |
| 6 | 121 |
| 7 | 162 |
| 8 | 214 |
| 9 | 267 |
| 10 | 331 |
| 11 | 396 |
| 12 | 461 |
| 13 | 553 |
| 14 | 634 |
| 15 | 734 |
| 16 | 827 |
| 17 | 931 |
| 18 | 1040 |
| 19 | 1153 |
| 20 | 1289 |
| 21 | 1414 |
| 22 | 1554 |
| 23 | 1691 |
| 24 | 1832 |
| 25 | 2004 |
| 26 | 2161 |
| 27 | 2329 |
| 28 | 2502 |
| 29 | 2678 |
| 30 | 2867 |
| 31 | 3056 |
| 32 | 3264 |
| 33 | 3469 |
| 34 | 3681 |
| 35 | 3902 |
| 36 | 4107 |
| 37 | 4351 |
| 38 | 4584 |
| 39 | 4840 |
| 40 | 5081 |
| 41 | 5330 |
[1,6,15,35,56,88,121,162,214,267,331,396,461,553, 634,734,827,931,1040,1153,1289,1414,1554,1691, 1832,2004,2161,2329,2502,2678,2867,3056,3264,3469, 3681,3902,4107,4351,4584,4840,5081,5330] |