| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 3 |
| 10 | 3 |
| 11 | 4 |
| 12 | 4 |
| 13 | 5 |
| 14 | 4 |
| 15 | 4 |
| 16 | 3 |
| 17 | 4 |
| 18 | 3 |
| 19 | 3 |
| 20 | 2 |
| 21 | 3 |
| 22 | 2 |
| 23 | 3 |
| 24 | 2 |
| 25 | 3 |
| 26 | 2 |
| 27 | 3 |
| 28 | 2 |
| 29 | 2 |
| 30 | 1 |
| 31 | 1 |
| 32 | 0 |
| 33 | 0 |
| 34 | -1 |
| 35 | 0 |
| 36 | -1 |
| 37 | 0 |
| 38 | 0 |
| 39 | 1 |
| 40 | 1 |
| 41 | 2 |
| 42 | 2 |
| 43 | 3 |
| 44 | 2 |
| 45 | 2 |
| 46 | 1 |
| 47 | 1 |
| 48 | 0 |
| 49 | 0 |
| 50 | -1 |
| 51 | -1 |
| 52 | -2 |
| 53 | -2 |
| 54 | -3 |
| 55 | -3 |
| 56 | -4 |
| 57 | -4 |
| 58 | -5 |
| 59 | -5 |
| 60 | -6 |
| 61 | -6 |
| 62 | -7 |
| 63 | -7 |
| 64 | -8 |
| 65 | -8 |
| 66 | -9 |
| 67 | -9 |
| 68 | -10 |
| 69 | -10 |
| 70 | -11 |
| 71 | -11 |
| 72 | -12 |
| 73 | -12 |
| 74 | -13 |
| 75 | -13 |
[1,0,1,0,1,1,2,2,3,3,4,4,5,4,4,3,4,3,3,2,3,2,3,2, 3,2,3,2,2,1,1,0,0,-1,0,-1,0,0,1,1,2,2,3,2,2,1,1,0, 0,-1,-1,-2,-2,-3,-3,-4,-4,-5,-5,-6,-6,-7,-7,-8,-8, -9,-9,-10,-10,-11,-11,-12,-12,-13,-13] |