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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 12 |
| 4 | 48 |
| 5 | 120 |
| 6 | 240 |
| 7 | 420 |
| 8 | 672 |
| 9 | 1008 |
| 10 | 1440 |
| 11 | 1980 |
| 12 | 2640 |
| 13 | 3432 |
| 14 | 4368 |
| 15 | 5460 |
| 16 | 6720 |
| 17 | 8160 |
| 18 | 9792 |
| 19 | 11628 |
| 20 | 13680 |
| 21 | 15960 |
| 22 | 18480 |
| 23 | 21252 |
| 24 | 24288 |
| 25 | 27600 |
| 26 | 31200 |
| 27 | 35100 |
| 28 | 39312 |
| 29 | 43848 |
| 30 | 48720 |
| 31 | 53940 |
| 32 | 59520 |
| 33 | 65472 |
| 34 | 71808 |
| 35 | 78540 |
| 36 | 85680 |
| 37 | 93240 |
| 38 | 101232 |
| 39 | 109668 |
| 40 | 118560 |
[0,0,0,12,48,120,240,420,672,1008,1440,1980,2640, 3432,4368,5460,6720,8160,9792,11628,13680,15960, 18480,21252,24288,27600,31200,35100,39312,43848, 48720,53940,59520,65472,71808,78540,85680,93240, 101232,109668,118560] |