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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 24 |
| 4 | 96 |
| 5 | 240 |
| 6 | 544 |
| 7 | 1288 |
| 8 | 3136 |
| 9 | 7392 |
| 10 | 16320 |
| 11 | 33528 |
| 12 | 64416 |
| 13 | 116688 |
| 14 | 200928 |
| 15 | 331240 |
| 16 | 525952 |
| 17 | 808384 |
| 18 | 1207680 |
| 19 | 1759704 |
| 20 | 2508000 |
| 21 | 3504816 |
| 22 | 4812192 |
| 23 | 6503112 |
| 24 | 8662720 |
| 25 | 11389600 |
| 26 | 14797120 |
| 27 | 19014840 |
| 28 | 24189984 |
| 29 | 30488976 |
| 30 | 38099040 |
| 31 | 47229864 |
| 32 | 58115328 |
| 33 | 71015296 |
[0,0,0,24,96,240,544,1288,3136,7392,16320,33528, 64416,116688,200928,331240,525952,808384,1207680, 1759704,2508000,3504816,4812192,6503112,8662720, 11389600,14797120,19014840,24189984,30488976, 38099040,47229864,58115328,71015296] |