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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 42 |
| 3 | 4 |
| 4 | 180 |
| 5 | 600 |
| 6 | 5 |
| 7 | 620 |
| 8 | 5400 |
| 9 | 7800 |
| 10 | 6 |
| 11 | 1890 |
| 12 | 36120 |
| 13 | 126000 |
| 14 | 100800 |
| 15 | 7 |
| 16 | 5534 |
| 17 | 202860 |
| 18 | 1428840 |
| 19 | 2646000 |
| 20 | 1340640 |
| 21 | 8 |
| 22 | 14280 |
| 23 | 1016400 |
| 24 | 13053600 |
| 25 | 46710720 |
| 26 | 53343360 |
| 27 | 18627840 |
| 28 | 9 |
| 29 | 36792 |
| 30 | 4702320 |
| 31 | 103133520 |
| 32 | 642978000 |
| 33 | 1380576960 |
[2,3,42,4,180,600,5,620,5400,7800,6,1890,36120, 126000,100800,7,5534,202860,1428840,2646000, 1340640,8,14280,1016400,13053600,46710720, 53343360,18627840,9,36792,4702320,103133520, 642978000,1380576960] |