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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 3 |
| 8 | 2 |
| 9 | 2 |
| 10 | 3 |
| 11 | 4 |
| 12 | 9 |
| 13 | 2 |
| 14 | 9 |
| 15 | 4 |
| 16 | 8 |
| 17 | 24 |
| 18 | 40 |
| 19 | 40 |
| 20 | 24 |
| 21 | 8 |
| 22 | 10 |
| 23 | 80 |
| 24 | 90 |
| 25 | 348 |
| 26 | 90 |
| 27 | 80 |
| 28 | 10 |
| 29 | 50 |
| 30 | 288 |
| 31 | 1336 |
| 32 | 2370 |
| 33 | 2370 |
| 34 | 1336 |
| 35 | 288 |
| 36 | 50 |
| 37 | 66 |
| 38 | 1038 |
| 39 | 3458 |
| 40 | 20606 |
| 41 | 17696 |
| 42 | 20606 |
| 43 | 3458 |
| 44 | 1038 |
| 45 | 66 |
| 46 | 216 |
| 47 | 3608 |
| 48 | 44516 |
| 49 | 212842 |
| 50 | 426362 |
| 51 | 426362 |
| 52 | 212842 |
| 53 | 44516 |
| 54 | 3608 |
| 55 | 216 |
| 56 | 280 |
| 57 | 12696 |
[1,0,0,0,0,0,3,2,2,3,4,9,2,9,4,8,24,40,40,24,8,10, 80,90,348,90,80,10,50,288,1336,2370,2370,1336,288, 50,66,1038,3458,20606,17696,20606,3458,1038,66, 216,3608,44516,212842,426362,426362,212842,44516, 3608,216,280,12696] |