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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 6 |
| 5 | 2 |
| 6 | 6 |
| 7 | 24 |
| 8 | 12 |
| 9 | 12 |
| 10 | 24 |
| 11 | 120 |
| 12 | 216 |
| 13 | 12 |
| 14 | 216 |
| 15 | 120 |
| 16 | 720 |
| 17 | 5280 |
| 18 | 576 |
| 19 | 576 |
| 20 | 5280 |
| 21 | 720 |
| 22 | 5040 |
| 23 | 190800 |
| 24 | 66240 |
| 25 | 576 |
| 26 | 66240 |
| 27 | 190800 |
| 28 | 5040 |
| 29 | 40320 |
| 30 | 9344160 |
| 31 | 15321600 |
| 32 | 161280 |
| 33 | 161280 |
| 34 | 15321600 |
| 35 | 9344160 |
| 36 | 40320 |
| 37 | 362880 |
| 38 | 598066560 |
| 39 | 5411750400 |
| 40 | 283046400 |
[1,2,2,6,2,6,24,12,12,24,120,216,12,216,120,720, 5280,576,576,5280,720,5040,190800,66240,576,66240, 190800,5040,40320,9344160,15321600,161280,161280, 15321600,9344160,40320,362880,598066560, 5411750400,283046400] |