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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 6 |
| 5 | 6 |
| 6 | 2 |
| 7 | 1 |
| 8 | 24 |
| 9 | 36 |
| 10 | 22 |
| 11 | 14 |
| 12 | 6 |
| 13 | 2 |
| 14 | 1 |
| 15 | 120 |
| 16 | 240 |
| 17 | 210 |
| 18 | 160 |
| 19 | 104 |
| 20 | 56 |
| 21 | 32 |
| 22 | 14 |
| 23 | 6 |
| 24 | 2 |
| 25 | 1 |
| 26 | 720 |
| 27 | 1800 |
| 28 | 2040 |
| 29 | 1830 |
| 30 | 1448 |
| 31 | 992 |
| 32 | 674 |
| 33 | 408 |
| 34 | 232 |
| 35 | 128 |
| 36 | 68 |
| 37 | 32 |
| 38 | 14 |
| 39 | 6 |
| 40 | 2 |
| 41 | 1 |
| 42 | 5040 |
| 43 | 15120 |
| 44 | 21000 |
| 45 | 21840 |
| 46 | 19824 |
| 47 | 15834 |
| 48 | 12144 |
| 49 | 8758 |
| 50 | 5904 |
| 51 | 3860 |
| 52 | 2442 |
| 53 | 1482 |
| 54 | 870 |
| 55 | 492 |
| 56 | 260 |
| 57 | 142 |
| 58 | 68 |
| 59 | 32 |
| 60 | 14 |
| 61 | 6 |
| 62 | 2 |
| 63 | 1 |
[1,1,2,1,6,6,2,1,24,36,22,14,6,2,1,120,240,210, 160,104,56,32,14,6,2,1,720,1800,2040,1830,1448, 992,674,408,232,128,68,32,14,6,2,1,5040,15120, 21000,21840,19824,15834,12144,8758,5904,3860,2442, 1482,870,492,260,142,68,32,14,6,2,1] |