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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 6 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 4 |
| 18 | 13 |
| 19 | 24 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 5 |
| 24 | 22 |
| 25 | 75 |
| 26 | 120 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 6 |
| 31 | 33 |
| 32 | 160 |
| 33 | 541 |
| 34 | 720 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1 |
| 38 | 7 |
| 39 | 46 |
| 40 | 285 |
| 41 | 1456 |
| 42 | 4683 |
| 43 | 5040 |
| 44 | 1 |
| 45 | 1 |
| 46 | 1 |
| 47 | 8 |
| 48 | 61 |
| 49 | 456 |
| 50 | 3081 |
| 51 | 15904 |
| 52 | 47293 |
| 53 | 40320 |
| 54 | 1 |
| 55 | 1 |
| 56 | 1 |
| 57 | 9 |
| 58 | 78 |
| 59 | 679 |
| 60 | 5656 |
| 61 | 40005 |
| 62 | 202672 |
| 63 | 545835 |
| 64 | 362880 |
| 65 | 1 |
[1,1,1,1,1,1,1,1,2,1,1,1,3,6,1,1,1,4,13,24,1,1,1, 5,22,75,120,1,1,1,6,33,160,541,720,1,1,1,7,46,285, 1456,4683,5040,1,1,1,8,61,456,3081,15904,47293, 40320,1,1,1,9,78,679,5656,40005,202672,545835, 362880,1] |