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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 1 |
| 7 | 8 |
| 8 | 17 |
| 9 | 10 |
| 10 | 1 |
| 11 | 14 |
| 12 | 65 |
| 13 | 112 |
| 14 | 60 |
| 15 | 1 |
| 16 | 21 |
| 17 | 163 |
| 18 | 567 |
| 19 | 844 |
| 20 | 420 |
| 21 | 1 |
| 22 | 29 |
| 23 | 331 |
| 24 | 1871 |
| 25 | 5380 |
| 26 | 7172 |
| 27 | 3360 |
| 28 | 1 |
| 29 | 38 |
| 30 | 592 |
| 31 | 4850 |
| 32 | 22219 |
| 33 | 55592 |
| 34 | 67908 |
| 35 | 30240 |
| 36 | 1 |
| 37 | 48 |
| 38 | 972 |
| 39 | 10770 |
| 40 | 70719 |
| 41 | 277782 |
| 42 | 623828 |
| 43 | 709320 |
| 44 | 302400 |
| 45 | 1 |
| 46 | 59 |
| 47 | 1500 |
| 48 | 21462 |
| 49 | 189189 |
| 50 | 1055691 |
| 51 | 3679430 |
| 52 | 7571428 |
| 53 | 8104920 |
| 54 | 3326400 |
[1,1,1,1,3,2,1,8,17,10,1,14,65,112,60,1,21,163, 567,844,420,1,29,331,1871,5380,7172,3360,1,38,592, 4850,22219,55592,67908,30240,1,48,972,10770,70719, 277782,623828,709320,302400,1,59,1500,21462, 189189,1055691,3679430,7571428,8104920,3326400] |