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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 3 |
| 6 | 0 |
| 7 | 0 |
| 8 | 7 |
| 9 | 12 |
| 10 | 0 |
| 11 | 0 |
| 12 | 4 |
| 13 | 45 |
| 14 | 55 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 55 |
| 19 | 286 |
| 20 | 273 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 22 |
| 25 | 546 |
| 26 | 1820 |
| 27 | 1428 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
| 32 | 455 |
| 33 | 4760 |
| 34 | 11628 |
| 35 | 7752 |
| 36 | 0 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 140 |
| 41 | 6120 |
| 42 | 38760 |
| 43 | 74613 |
| 44 | 43263 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 0 |
| 49 | 0 |
| 50 | 3876 |
| 51 | 67830 |
| 52 | 302841 |
| 53 | 480700 |
| 54 | 246675 |
| 55 | 0 |
| 56 | 0 |
| 57 | 0 |
| 58 | 0 |
| 59 | 0 |
| 60 | 969 |
| 61 | 65835 |
[1,0,1,0,1,3,0,0,7,12,0,0,4,45,55,0,0,0,55,286, 273,0,0,0,22,546,1820,1428,0,0,0,0,455,4760,11628, 7752,0,0,0,0,140,6120,38760,74613,43263,0,0,0,0,0, 3876,67830,302841,480700,246675,0,0,0,0,0,969, 65835] |