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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | -9 |
| 2 | -28 |
| 3 | -45 |
| 4 | -48 |
| 5 | -25 |
| 6 | 36 |
| 7 | 147 |
| 8 | 320 |
| 9 | 567 |
| 10 | 900 |
| 11 | 1331 |
| 12 | 1872 |
| 13 | 2535 |
| 14 | 3332 |
| 15 | 4275 |
| 16 | 5376 |
| 17 | 6647 |
| 18 | 8100 |
| 19 | 9747 |
| 20 | 11600 |
| 21 | 13671 |
| 22 | 15972 |
| 23 | 18515 |
| 24 | 21312 |
| 25 | 24375 |
| 26 | 27716 |
| 27 | 31347 |
| 28 | 35280 |
| 29 | 39527 |
| 30 | 44100 |
| 31 | 49011 |
| 32 | 54272 |
| 33 | 59895 |
[0,-9,-28,-45,-48,-25,36,147,320,567,900,1331, 1872,2535,3332,4275,5376,6647,8100,9747,11600, 13671,15972,18515,21312,24375,27716,31347,35280, 39527,44100,49011,54272,59895] |