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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 35 |
| 5 | 91 |
| 6 | 216 |
| 7 | 405 |
| 8 | 748 |
| 9 | 1196 |
| 10 | 1925 |
| 11 | 2800 |
| 12 | 4131 |
| 13 | 5643 |
| 14 | 7840 |
| 15 | 10241 |
| 16 | 13616 |
| 17 | 17200 |
| 18 | 22113 |
| 19 | 27216 |
| 20 | 34075 |
| 21 | 41075 |
| 22 | 50336 |
| 23 | 59653 |
| 24 | 71820 |
| 25 | 83916 |
| 26 | 99541 |
| 27 | 114920 |
| 28 | 134603 |
| 29 | 153811 |
| 30 | 178200 |
| 31 | 201825 |
| 32 | 231616 |
| 33 | 260288 |
| 34 | 296225 |
| 35 | 330616 |
| 36 | 373491 |
| 37 | 414315 |
| 38 | 464968 |
| 39 | 512981 |
[0,1,8,35,91,216,405,748,1196,1925,2800,4131,5643, 7840,10241,13616,17200,22113,27216,34075,41075, 50336,59653,71820,83916,99541,114920,134603, 153811,178200,201825,231616,260288,296225,330616, 373491,414315,464968,512981] |