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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 42 |
| 4 | 60 |
| 5 | 168 |
| 6 | 360 |
| 7 | 744 |
| 8 | 1512 |
| 9 | 2418 |
| 10 | 2880 |
| 11 | 9360 |
| 12 | 19344 |
| 13 | 28800 |
| 14 | 39312 |
| 15 | 59520 |
| 16 | 79248 |
| 17 | 112320 |
| 18 | 232128 |
| 19 | 471744 |
| 20 | 714240 |
| 21 | 1451520 |
| 22 | 1572480 |
| 23 | 2437344 |
| 24 | 3249792 |
| 25 | 6604416 |
| 26 | 9999360 |
| 27 | 16790592 |
| 28 | 20321280 |
| 29 | 34122816 |
| 30 | 40965120 |
| 31 | 51663360 |
| 32 | 104993280 |
| 33 | 179988480 |
| 34 | 302230656 |
| 35 | 365783040 |
[1,12,42,60,168,360,744,1512,2418,2880,9360,19344, 28800,39312,59520,79248,112320,232128,471744, 714240,1451520,1572480,2437344,3249792,6604416, 9999360,16790592,20321280,34122816,40965120, 51663360,104993280,179988480,302230656,365783040] |