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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 12 |
| 4 | 336 |
| 5 | 30 |
| 6 | 2592 |
| 7 | 56 |
| 8 | 322560 |
| 9 | 4212 |
| 10 | 162000 |
| 11 | 132 |
| 12 | 1755758592 |
| 13 | 182 |
| 14 | 395136 |
| 15 | 648000 |
| 16 | 10239344640 |
| 17 | 306 |
| 18 | 68976790272 |
| 19 | 380 |
| 20 | 1524096000000 |
| 21 | 9483264 |
| 22 | 3449952 |
| 23 | 552 |
| 24 | 2796089100573081600 |
| 25 | 116250 |
| 26 | 15502032 |
| 27 | 122821920 |
| 28 | 485745426432 |
| 29 | 870 |
| 30 | 102036672000000000 |
| 31 | 992 |
[1,6,12,336,30,2592,56,322560,4212,162000,132, 1755758592,182,395136,648000,10239344640,306, 68976790272,380,1524096000000,9483264,3449952,552, 2796089100573081600,116250,15502032,122821920, 485745426432,870,102036672000000000,992] |