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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 17 |
| 3 | 48 |
| 4 | 172 |
| 5 | 320 |
| 6 | 713 |
| 7 | 1112 |
| 8 | 2016 |
| 9 | 2840 |
| 10 | 4561 |
| 11 | 6056 |
| 12 | 8964 |
| 13 | 11400 |
| 14 | 15977 |
| 15 | 19648 |
| 16 | 26400 |
| 17 | 31744 |
| 18 | 41257 |
| 19 | 48664 |
| 20 | 61620 |
| 21 | 71512 |
| 22 | 88689 |
| 23 | 101680 |
| 24 | 123800 |
| 25 | 140376 |
| 26 | 168449 |
| 27 | 189232 |
| 28 | 224108 |
| 29 | 249840 |
| 30 | 292545 |
[0,0,17,48,172,320,713,1112,2016,2840,4561,6056, 8964,11400,15977,19648,26400,31744,41257,48664, 61620,71512,88689,101680,123800,140376,168449, 189232,224108,249840,292545] |