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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 1 |
| 14 | 3 |
| 15 | 3 |
| 16 | 4 |
| 17 | 3 |
| 18 | 5 |
| 19 | 3 |
| 20 | 7 |
| 21 | 6 |
| 22 | 7 |
| 23 | 8 |
| 24 | 12 |
| 25 | 8 |
| 26 | 12 |
| 27 | 12 |
| 28 | 14 |
| 29 | 14 |
| 30 | 18 |
| 31 | 15 |
| 32 | 22 |
| 33 | 20 |
| 34 | 22 |
| 35 | 24 |
| 36 | 30 |
| 37 | 26 |
| 38 | 33 |
| 39 | 33 |
| 40 | 37 |
| 41 | 37 |
| 42 | 43 |
| 43 | 40 |
| 44 | 50 |
| 45 | 49 |
| 46 | 52 |
| 47 | 55 |
| 48 | 64 |
| 49 | 59 |
| 50 | 69 |
| 51 | 70 |
| 52 | 76 |
| 53 | 78 |
| 54 | 86 |
| 55 | 83 |
| 56 | 97 |
| 57 | 96 |
| 58 | 101 |
| 59 | 106 |
| 60 | 118 |
| 61 | 113 |
| 62 | 126 |
| 63 | 128 |
| 64 | 137 |
| 65 | 140 |
| 66 | 151 |
| 67 | 149 |
| 68 | 167 |
| 69 | 167 |
| 70 | 174 |
| 71 | 181 |
| 72 | 197 |
| 73 | 192 |
[1,0,0,0,0,0,1,0,2,1,1,1,3,1,3,3,4,3,5,3,7,6,7,8, 12,8,12,12,14,14,18,15,22,20,22,24,30,26,33,33,37, 37,43,40,50,49,52,55,64,59,69,70,76,78,86,83,97, 96,101,106,118,113,126,128,137,140,151,149,167, 167,174,181,197,192] |