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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 24 |
| 2 | 84 |
| 3 | 180 |
| 4 | 312 |
| 5 | 480 |
| 6 | 684 |
| 7 | 924 |
| 8 | 1200 |
| 9 | 1512 |
| 10 | 1860 |
| 11 | 2244 |
| 12 | 2664 |
| 13 | 3120 |
| 14 | 3612 |
| 15 | 4140 |
| 16 | 4704 |
| 17 | 5304 |
| 18 | 5940 |
| 19 | 6612 |
| 20 | 7320 |
| 21 | 8064 |
| 22 | 8844 |
| 23 | 9660 |
| 24 | 10512 |
| 25 | 11400 |
| 26 | 12324 |
| 27 | 13284 |
| 28 | 14280 |
| 29 | 15312 |
| 30 | 16380 |
| 31 | 17484 |
| 32 | 18624 |
| 33 | 19800 |
| 34 | 21012 |
| 35 | 22260 |
| 36 | 23544 |
| 37 | 24864 |
| 38 | 26220 |
| 39 | 27612 |
[0,24,84,180,312,480,684,924,1200,1512,1860,2244, 2664,3120,3612,4140,4704,5304,5940,6612,7320,8064, 8844,9660,10512,11400,12324,13284,14280,15312, 16380,17484,18624,19800,21012,22260,23544,24864, 26220,27612] |