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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | -1 |
| 7 | -1 |
| 8 | -1 |
| 9 | -2 |
| 10 | -1 |
| 11 | -2 |
| 12 | -1 |
| 13 | -1 |
| 14 | 0 |
| 15 | -2 |
| 16 | 1 |
| 17 | 0 |
| 18 | 2 |
| 19 | 1 |
| 20 | 4 |
| 21 | 1 |
| 22 | 5 |
| 23 | 3 |
| 24 | 6 |
| 25 | 6 |
| 26 | 7 |
| 27 | 4 |
| 28 | 8 |
| 29 | 8 |
| 30 | 10 |
| 31 | 8 |
| 32 | 10 |
| 33 | 8 |
| 34 | 12 |
| 35 | 9 |
| 36 | 10 |
| 37 | 10 |
| 38 | 10 |
| 39 | 8 |
| 40 | 10 |
| 41 | 8 |
| 42 | 9 |
| 43 | 6 |
| 44 | 7 |
| 45 | 7 |
| 46 | 5 |
| 47 | 5 |
| 48 | 3 |
| 49 | 4 |
| 50 | 1 |
| 51 | -4 |
| 52 | -5 |
| 53 | -4 |
| 54 | -7 |
| 55 | -6 |
| 56 | -13 |
| 57 | -12 |
| 58 | -17 |
| 59 | -15 |
| 60 | -20 |
| 61 | -18 |
| 62 | -28 |
| 63 | -29 |
| 64 | -37 |
| 65 | -31 |
| 66 | -40 |
| 67 | -37 |
| 68 | -47 |
| 69 | -42 |
| 70 | -55 |
| 71 | -51 |
| 72 | -62 |
| 73 | -59 |
| 74 | -69 |
| 75 | -65 |
| 76 | -78 |
| 77 | -69 |
| 78 | -84 |
| 79 | -75 |
| 80 | -93 |
[0,0,1,0,0,-1,-1,-1,-2,-1,-2,-1,-1,0,-2,1,0,2,1,4, 1,5,3,6,6,7,4,8,8,10,8,10,8,12,9,10,10,10,8,10,8, 9,6,7,7,5,5,3,4,1,-4,-5,-4,-7,-6,-13,-12,-17,-15, -20,-18,-28,-29,-37,-31,-40,-37,-47,-42,-55,-51, -62,-59,-69,-65,-78,-69,-84,-75,-93] |