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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1 |
| 3 | 6 |
| 4 | 3 |
| 5 | 1 |
| 6 | 12 |
| 7 | 3 |
| 8 | 4 |
| 9 | 1 |
| 10 | 60 |
| 11 | 15 |
| 12 | 20 |
| 13 | 5 |
| 14 | 1 |
| 15 | 20 |
| 16 | 5 |
| 17 | 20 |
| 18 | 15 |
| 19 | 6 |
| 20 | 1 |
| 21 | 140 |
| 22 | 35 |
| 23 | 140 |
| 24 | 105 |
| 25 | 42 |
| 26 | 7 |
| 27 | 1 |
| 28 | 280 |
| 29 | 35 |
| 30 | 280 |
| 31 | 105 |
| 32 | 168 |
| 33 | 7 |
| 34 | 8 |
| 35 | 1 |
| 36 | 2520 |
| 37 | 315 |
| 38 | 280 |
| 39 | 315 |
| 40 | 504 |
| 41 | 7 |
| 42 | 72 |
| 43 | 9 |
| 44 | 1 |
| 45 | 2520 |
| 46 | 315 |
| 47 | 280 |
| 48 | 315 |
| 49 | 504 |
| 50 | 35 |
| 51 | 360 |
| 52 | 45 |
| 53 | 10 |
| 54 | 1 |
| 55 | 27720 |
| 56 | 3465 |
| 57 | 3080 |
| 58 | 3465 |
| 59 | 5544 |
| 60 | 385 |
| 61 | 3960 |
| 62 | 495 |
| 63 | 110 |
| 64 | 11 |
| 65 | 1 |
[1,2,1,6,3,1,12,3,4,1,60,15,20,5,1,20,5,20,15,6,1, 140,35,140,105,42,7,1,280,35,280,105,168,7,8,1, 2520,315,280,315,504,7,72,9,1,2520,315,280,315, 504,35,360,45,10,1,27720,3465,3080,3465,5544,385, 3960,495,110,11,1] |