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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 36 |
| 10 | 720 |
| 11 | 720 |
| 12 | 480 |
| 13 | 480 |
| 14 | 1680 |
| 15 | 3024 |
| 16 | 12096 |
| 17 | 12096 |
| 18 | 145152 |
| 19 | 145152 |
| 20 | 7257600 |
| 21 | 345600 |
| 22 | 1900800 |
| 23 | 1900800 |
| 24 | 136857600 |
| 25 | 684288000 |
| 26 | 4447872000 |
| 27 | 4447872000 |
| 28 | 435891456000 |
| 29 | 435891456000 |
| 30 | 3138418483200 |
| 31 | 3138418483200 |
| 32 | 6276836966400 |
| 33 | 190207180800 |
[1,1,1,1,1,12,12,12,36,720,720,480,480,1680,3024, 12096,12096,145152,145152,7257600,345600,1900800, 1900800,136857600,684288000,4447872000,4447872000, 435891456000,435891456000,3138418483200, 3138418483200,6276836966400,190207180800] |