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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 12 |
| 4 | 390 |
| 5 | 1910 |
| 6 | 4880 |
| 7 | 9250 |
| 8 | 14969 |
| 9 | 22026 |
| 10 | 30421 |
| 11 | 40154 |
| 12 | 51225 |
| 13 | 63634 |
| 14 | 77381 |
| 15 | 92466 |
| 16 | 108889 |
| 17 | 126650 |
| 18 | 145749 |
| 19 | 166186 |
| 20 | 187961 |
| 21 | 211074 |
| 22 | 235525 |
| 23 | 261314 |
| 24 | 288441 |
| 25 | 316906 |
| 26 | 346709 |
| 27 | 377850 |
| 28 | 410329 |
| 29 | 444146 |
| 30 | 479301 |
| 31 | 515794 |
| 32 | 553625 |
| 33 | 592794 |
| 34 | 633301 |
[0,0,12,390,1910,4880,9250,14969,22026,30421, 40154,51225,63634,77381,92466,108889,126650, 145749,166186,187961,211074,235525,261314,288441, 316906,346709,377850,410329,444146,479301,515794, 553625,592794,633301] |