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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 0 |
| 6 | 1 |
| 7 | 4 |
| 8 | 5 |
| 9 | 0 |
| 10 | 1 |
| 11 | 6 |
| 12 | 18 |
| 13 | 12 |
| 14 | 0 |
| 15 | 1 |
| 16 | 8 |
| 17 | 39 |
| 18 | 80 |
| 19 | 29 |
| 20 | 0 |
| 21 | 1 |
| 22 | 10 |
| 23 | 68 |
| 24 | 252 |
| 25 | 356 |
| 26 | 70 |
| 27 | 0 |
| 28 | 1 |
| 29 | 12 |
| 30 | 105 |
| 31 | 576 |
| 32 | 1629 |
| 33 | 1584 |
| 34 | 169 |
| 35 | 0 |
| 36 | 1 |
| 37 | 14 |
| 38 | 150 |
| 39 | 1100 |
| 40 | 4880 |
| 41 | 10530 |
| 42 | 7048 |
| 43 | 408 |
| 44 | 0 |
| 45 | 1 |
| 46 | 16 |
| 47 | 203 |
| 48 | 1872 |
| 49 | 11525 |
| 50 | 41344 |
| 51 | 68067 |
| 52 | 31360 |
| 53 | 985 |
| 54 | 0 |
| 55 | 1 |
| 56 | 18 |
| 57 | 264 |
| 58 | 2940 |
| 59 | 23364 |
| 60 | 120750 |
| 61 | 350272 |
| 62 | 439992 |
| 63 | 139536 |
| 64 | 2378 |
| 65 | 0 |
[1,1,0,1,2,0,1,4,5,0,1,6,18,12,0,1,8,39,80,29,0,1, 10,68,252,356,70,0,1,12,105,576,1629,1584,169,0,1, 14,150,1100,4880,10530,7048,408,0,1,16,203,1872, 11525,41344,68067,31360,985,0,1,18,264,2940,23364, 120750,350272,439992,139536,2378,0] |