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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 2 |
| 2 | 6 |
| 3 | 12 |
| 4 | 72 |
| 5 | 240 |
| 6 | 2160 |
| 7 | 10080 |
| 8 | 120960 |
| 9 | 725760 |
| 10 | 10886400 |
| 11 | 79833600 |
| 12 | 1437004800 |
| 13 | 12454041600 |
| 14 | 261534873600 |
| 15 | 2615348736000 |
| 16 | 62768369664000 |
| 17 | 711374856192000 |
| 18 | 19207121117184000 |
| 19 | 243290200817664000 |
| 20 | 7298706024529920000 |
| 21 | 102181884343418880000 |
| 22 | 3372002183332823040000 |
[3,2,6,12,72,240,2160,10080,120960,725760, 10886400,79833600,1437004800,12454041600, 261534873600,2615348736000,62768369664000, 711374856192000,19207121117184000, 243290200817664000,7298706024529920000, 102181884343418880000,3372002183332823040000] |