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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 3 |
| 6 | 0 |
| 7 | 1 |
| 8 | 13 |
| 9 | 15 |
| 10 | 0 |
| 11 | 1 |
| 12 | 38 |
| 13 | 165 |
| 14 | 105 |
| 15 | 0 |
| 16 | 1 |
| 17 | 94 |
| 18 | 1033 |
| 19 | 2310 |
| 20 | 945 |
| 21 | 0 |
| 22 | 1 |
| 23 | 213 |
| 24 | 4953 |
| 25 | 26229 |
| 26 | 36330 |
| 27 | 10395 |
| 28 | 0 |
| 29 | 1 |
| 30 | 459 |
| 31 | 20370 |
| 32 | 213511 |
| 33 | 674520 |
| 34 | 640710 |
| 35 | 135135 |
| 36 | 0 |
| 37 | 1 |
| 38 | 960 |
| 39 | 76056 |
| 40 | 1421225 |
| 41 | 8559675 |
| 42 | 18127935 |
| 43 | 12588345 |
| 44 | 2027025 |
| 45 | 0 |
| 46 | 1 |
| 47 | 1972 |
| 48 | 266334 |
| 49 | 8283234 |
| 50 | 85654979 |
| 51 | 337805535 |
| 52 | 515903850 |
| 53 | 273544425 |
| 54 | 34459425 |
| 55 | 0 |
| 56 | 1 |
| 57 | 4007 |
| 58 | 892542 |
| 59 | 44013478 |
| 60 | 729292193 |
| 61 | 4822487682 |
| 62 | 13506364410 |
| 63 | 15631793100 |
| 64 | 6529047525 |
| 65 | 654729075 |
| 66 | 0 |
[1,1,0,1,3,0,1,13,15,0,1,38,165,105,0,1,94,1033, 2310,945,0,1,213,4953,26229,36330,10395,0,1,459, 20370,213511,674520,640710,135135,0,1,960,76056, 1421225,8559675,18127935,12588345,2027025,0,1, 1972,266334,8283234,85654979,337805535,515903850, 273544425,34459425,0,1,4007,892542,44013478, 729292193,4822487682,13506364410,15631793100, 6529047525,654729075,0] |