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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 6 |
| 5 | 20 |
| 6 | 6 |
| 7 | 10 |
| 8 | 72 |
| 9 | 210 |
| 10 | 24 |
| 11 | 15 |
| 12 | 182 |
| 13 | 1320 |
| 14 | 3024 |
| 15 | 120 |
| 16 | 21 |
| 17 | 380 |
| 18 | 4896 |
| 19 | 32760 |
| 20 | 55440 |
| 21 | 720 |
| 22 | 28 |
| 23 | 702 |
| 24 | 13800 |
| 25 | 175560 |
| 26 | 1028160 |
| 27 | 1235520 |
| 28 | 5040 |
| 29 | 36 |
| 30 | 1190 |
| 31 | 32736 |
| 32 | 657720 |
| 33 | 7893600 |
| 34 | 39070080 |
| 35 | 32432400 |
| 36 | 40320 |
| 37 | 45 |
| 38 | 1892 |
| 39 | 68880 |
| 40 | 1974024 |
| 41 | 38955840 |
[1,3,2,6,20,6,10,72,210,24,15,182,1320,3024,120, 21,380,4896,32760,55440,720,28,702,13800,175560, 1028160,1235520,5040,36,1190,32736,657720,7893600, 39070080,32432400,40320,45,1892,68880,1974024, 38955840] |