| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 2 |
| 8 | 0 |
| 9 | 4 |
| 10 | 1 |
| 11 | 7 |
| 12 | 2 |
| 13 | 11 |
| 14 | 5 |
| 15 | 17 |
| 16 | 9 |
| 17 | 25 |
| 18 | 17 |
| 19 | 36 |
| 20 | 29 |
| 21 | 51 |
| 22 | 49 |
| 23 | 72 |
| 24 | 77 |
| 25 | 101 |
| 26 | 121 |
| 27 | 142 |
| 28 | 182 |
| 29 | 199 |
| 30 | 272 |
| 31 | 280 |
| 32 | 395 |
| 33 | 394 |
| 34 | 570 |
| 35 | 555 |
| 36 | 806 |
| 37 | 779 |
| 38 | 1133 |
| 39 | 1093 |
| 40 | 1571 |
| 41 | 1526 |
| 42 | 2166 |
| 43 | 2124 |
| 44 | 2957 |
| 45 | 2942 |
| 46 | 4017 |
| 47 | 4055 |
| 48 | 5416 |
| 49 | 5559 |
| 50 | 7274 |
| 51 | 7583 |
| 52 | 9712 |
| 53 | 10285 |
| 54 | 12921 |
| 55 | 13881 |
| 56 | 17112 |
| 57 | 18635 |
[1,0,0,0,0,1,0,2,0,4,1,7,2,11,5,17,9,25,17,36,29, 51,49,72,77,101,121,142,182,199,272,280,395,394, 570,555,806,779,1133,1093,1571,1526,2166,2124, 2957,2942,4017,4055,5416,5559,7274,7583,9712, 10285,12921,13881,17112,18635] |