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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 18 |
| 3 | 51 |
| 4 | 100 |
| 5 | 165 |
| 6 | 246 |
| 7 | 343 |
| 8 | 456 |
| 9 | 585 |
| 10 | 730 |
| 11 | 891 |
| 12 | 1068 |
| 13 | 1261 |
| 14 | 1470 |
| 15 | 1695 |
| 16 | 1936 |
| 17 | 2193 |
| 18 | 2466 |
| 19 | 2755 |
| 20 | 3060 |
| 21 | 3381 |
| 22 | 3718 |
| 23 | 4071 |
| 24 | 4440 |
| 25 | 4825 |
| 26 | 5226 |
| 27 | 5643 |
| 28 | 6076 |
| 29 | 6525 |
| 30 | 6990 |
| 31 | 7471 |
| 32 | 7968 |
| 33 | 8481 |
| 34 | 9010 |
| 35 | 9555 |
| 36 | 10116 |
| 37 | 10693 |
| 38 | 11286 |
| 39 | 11895 |
| 40 | 12520 |
[0,1,18,51,100,165,246,343,456,585,730,891,1068, 1261,1470,1695,1936,2193,2466,2755,3060,3381,3718, 4071,4440,4825,5226,5643,6076,6525,6990,7471,7968, 8481,9010,9555,10116,10693,11286,11895,12520] |