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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 13 |
| 3 | 36 |
| 4 | 70 |
| 5 | 115 |
| 6 | 171 |
| 7 | 238 |
| 8 | 316 |
| 9 | 405 |
| 10 | 505 |
| 11 | 616 |
| 12 | 738 |
| 13 | 871 |
| 14 | 1015 |
| 15 | 1170 |
| 16 | 1336 |
| 17 | 1513 |
| 18 | 1701 |
| 19 | 1900 |
| 20 | 2110 |
| 21 | 2331 |
| 22 | 2563 |
| 23 | 2806 |
| 24 | 3060 |
| 25 | 3325 |
| 26 | 3601 |
| 27 | 3888 |
| 28 | 4186 |
| 29 | 4495 |
| 30 | 4815 |
| 31 | 5146 |
| 32 | 5488 |
| 33 | 5841 |
| 34 | 6205 |
| 35 | 6580 |
| 36 | 6966 |
| 37 | 7363 |
| 38 | 7771 |
| 39 | 8190 |
| 40 | 8620 |
| 41 | 9061 |
| 42 | 9513 |
[0,1,13,36,70,115,171,238,316,405,505,616,738,871, 1015,1170,1336,1513,1701,1900,2110,2331,2563,2806, 3060,3325,3601,3888,4186,4495,4815,5146,5488,5841, 6205,6580,6966,7363,7771,8190,8620,9061,9513] |