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| n | a(n) |
|---|---|
| 18 | 1 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 1 |
| 23 | 0 |
| 24 | 2 |
| 25 | 0 |
| 26 | 2 |
| 27 | 1 |
| 28 | 3 |
| 29 | 1 |
| 30 | 4 |
| 31 | 0 |
| 32 | 3 |
| 33 | 2 |
| 34 | 6 |
| 35 | 2 |
| 36 | 6 |
| 37 | 2 |
| 38 | 7 |
| 39 | 5 |
| 40 | 9 |
| 41 | 4 |
| 42 | 10 |
| 43 | 5 |
| 44 | 10 |
| 45 | 8 |
| 46 | 12 |
| 47 | 7 |
| 48 | 12 |
| 49 | 8 |
| 50 | 15 |
| 51 | 12 |
| 52 | 16 |
| 53 | 12 |
| 54 | 18 |
| 55 | 14 |
| 56 | 20 |
| 57 | 17 |
| 58 | 22 |
| 59 | 18 |
| 60 | 23 |
| 61 | 20 |
| 62 | 27 |
| 63 | 26 |
| 64 | 29 |
| 65 | 27 |
| 66 | 30 |
| 67 | 30 |
| 68 | 33 |
| 69 | 36 |
| 70 | 36 |
| 71 | 36 |
| 72 | 35 |
| 73 | 41 |
| 74 | 43 |
| 75 | 48 |
| 76 | 43 |
| 77 | 49 |
| 78 | 43 |
| 79 | 56 |
| 80 | 52 |
| 81 | 61 |
| 82 | 51 |
| 83 | 64 |
| 84 | 52 |
| 85 | 73 |
| 86 | 64 |
| 87 | 77 |
| 88 | 58 |
| 89 | 82 |
| 90 | 64 |
| 91 | 93 |
[1,0,0,0,1,0,2,0,2,1,3,1,4,0,3,2,6,2,6,2,7,5,9,4, 10,5,10,8,12,7,12,8,15,12,16,12,18,14,20,17,22,18, 23,20,27,26,29,27,30,30,33,36,36,36,35,41,43,48, 43,49,43,56,52,61,51,64,52,73,64,77,58,82,64,93] |