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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 3696 |
| 5 | 26000 |
| 6 | 82032 |
| 7 | 175312 |
| 8 | 303328 |
| 9 | 464304 |
| 10 | 657848 |
| 11 | 883928 |
| 12 | 1142544 |
| 13 | 1433696 |
| 14 | 1757384 |
| 15 | 2113608 |
| 16 | 2502368 |
| 17 | 2923664 |
| 18 | 3377496 |
| 19 | 3863864 |
| 20 | 4382768 |
| 21 | 4934208 |
| 22 | 5518184 |
| 23 | 6134696 |
| 24 | 6783744 |
| 25 | 7465328 |
| 26 | 8179448 |
| 27 | 8926104 |
| 28 | 9705296 |
| 29 | 10517024 |
[0,0,0,3696,26000,82032,175312,303328,464304, 657848,883928,1142544,1433696,1757384,2113608, 2502368,2923664,3377496,3863864,4382768,4934208, 5518184,6134696,6783744,7465328,8179448,8926104, 9705296,10517024] |