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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 40 |
| 2 | 168 |
| 3 | 1056 |
| 4 | 2080 |
| 5 | 6120 |
| 6 | 9576 |
| 7 | 20608 |
| 8 | 28800 |
| 9 | 52200 |
| 10 | 68200 |
| 11 | 110880 |
| 12 | 138528 |
| 13 | 208936 |
| 14 | 252840 |
| 15 | 360960 |
| 16 | 426496 |
| 17 | 583848 |
| 18 | 677160 |
| 19 | 896800 |
| 20 | 1024800 |
| 21 | 1321320 |
| 22 | 1491688 |
| 23 | 1881216 |
| 24 | 2102400 |
| 25 | 2602600 |
| 26 | 2883816 |
| 27 | 3513888 |
| 28 | 3865120 |
| 29 | 4645800 |
| 30 | 5077800 |
| 31 | 6031360 |
| 32 | 6555648 |
| 33 | 7705896 |
| 34 | 8334760 |
| 35 | 9707040 |
[0,40,168,1056,2080,6120,9576,20608,28800,52200, 68200,110880,138528,208936,252840,360960,426496, 583848,677160,896800,1024800,1321320,1491688, 1881216,2102400,2602600,2883816,3513888,3865120, 4645800,5077800,6031360,6555648,7705896,8334760, 9707040] |