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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 0 |
| 10 | 1 |
| 11 | 3 |
| 12 | 8 |
| 13 | 5 |
| 14 | 0 |
| 15 | 1 |
| 16 | 4 |
| 17 | 18 |
| 18 | 40 |
| 19 | 15 |
| 20 | 0 |
| 21 | 1 |
| 22 | 5 |
| 23 | 32 |
| 24 | 135 |
| 25 | 240 |
| 26 | 52 |
| 27 | 0 |
| 28 | 1 |
| 29 | 6 |
| 30 | 50 |
| 31 | 320 |
| 32 | 1215 |
| 33 | 1664 |
| 34 | 203 |
| 35 | 0 |
| 36 | 1 |
| 37 | 7 |
| 38 | 72 |
| 39 | 625 |
| 40 | 3840 |
| 41 | 12636 |
| 42 | 12992 |
| 43 | 877 |
| 44 | 0 |
| 45 | 1 |
| 46 | 8 |
| 47 | 98 |
| 48 | 1080 |
| 49 | 9375 |
| 50 | 53248 |
| 51 | 147987 |
| 52 | 112256 |
| 53 | 4140 |
| 54 | 0 |
| 55 | 1 |
| 56 | 9 |
| 57 | 128 |
| 58 | 1715 |
| 59 | 19440 |
| 60 | 162500 |
| 61 | 831488 |
| 62 | 1917999 |
| 63 | 1059840 |
| 64 | 21147 |
| 65 | 0 |
[1,1,0,1,1,0,1,2,2,0,1,3,8,5,0,1,4,18,40,15,0,1,5, 32,135,240,52,0,1,6,50,320,1215,1664,203,0,1,7,72, 625,3840,12636,12992,877,0,1,8,98,1080,9375,53248, 147987,112256,4140,0,1,9,128,1715,19440,162500, 831488,1917999,1059840,21147,0] |