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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 2 |
| 15 | 1 |
| 16 | 2 |
| 17 | 1 |
| 18 | 2 |
| 19 | 1 |
| 20 | 2 |
| 21 | 3 |
| 22 | 3 |
| 23 | 3 |
| 24 | 5 |
| 25 | 4 |
| 26 | 5 |
| 27 | 6 |
| 28 | 7 |
| 29 | 7 |
| 30 | 9 |
| 31 | 9 |
| 32 | 10 |
| 33 | 11 |
| 34 | 12 |
| 35 | 14 |
| 36 | 14 |
| 37 | 15 |
| 38 | 16 |
| 39 | 17 |
| 40 | 19 |
| 41 | 19 |
| 42 | 23 |
| 43 | 23 |
| 44 | 25 |
| 45 | 28 |
| 46 | 29 |
| 47 | 32 |
| 48 | 36 |
| 49 | 40 |
| 50 | 42 |
| 51 | 45 |
| 52 | 48 |
| 53 | 52 |
| 54 | 57 |
| 55 | 61 |
| 56 | 69 |
| 57 | 71 |
| 58 | 77 |
| 59 | 82 |
| 60 | 89 |
| 61 | 94 |
| 62 | 102 |
| 63 | 113 |
| 64 | 118 |
| 65 | 125 |
| 66 | 136 |
| 67 | 142 |
| 68 | 153 |
| 69 | 164 |
| 70 | 181 |
| 71 | 186 |
| 72 | 204 |
| 73 | 212 |
| 74 | 227 |
| 75 | 240 |
| 76 | 256 |
| 77 | 277 |
| 78 | 292 |
| 79 | 309 |
[0,0,0,0,0,0,1,1,1,1,1,1,1,2,1,2,1,2,1,2,3,3,3,5, 4,5,6,7,7,9,9,10,11,12,14,14,15,16,17,19,19,23,23, 25,28,29,32,36,40,42,45,48,52,57,61,69,71,77,82, 89,94,102,113,118,125,136,142,153,164,181,186,204, 212,227,240,256,277,292,309] |