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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 0 |
| 12 | 2 |
| 13 | 1 |
| 14 | 3 |
| 15 | 2 |
| 16 | 3 |
| 17 | 1 |
| 18 | 5 |
| 19 | 3 |
| 20 | 5 |
| 21 | 4 |
| 22 | 6 |
| 23 | 4 |
| 24 | 9 |
| 25 | 7 |
| 26 | 8 |
| 27 | 8 |
| 28 | 12 |
| 29 | 10 |
| 30 | 15 |
| 31 | 12 |
| 32 | 15 |
| 33 | 16 |
| 34 | 21 |
| 35 | 19 |
| 36 | 24 |
| 37 | 22 |
| 38 | 27 |
| 39 | 30 |
| 40 | 34 |
| 41 | 31 |
| 42 | 40 |
| 43 | 40 |
| 44 | 46 |
| 45 | 49 |
| 46 | 54 |
| 47 | 52 |
| 48 | 65 |
| 49 | 68 |
| 50 | 74 |
[0,0,0,1,0,1,0,1,1,2,0,2,1,3,2,3,1,5,3,5,4,6,4,9, 7,8,8,12,10,15,12,15,16,21,19,24,22,27,30,34,31, 40,40,46,49,54,52,65,68,74] |