The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | -1 |
| 5 | -1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 0 |
| 9 | 3 |
| 10 | -4 |
| 11 | -4 |
| 12 | -2 |
| 13 | -1 |
| 14 | 4 |
| 15 | 2 |
| 16 | 0 |
| 17 | 0 |
| 18 | 2 |
| 19 | 3 |
| 20 | -4 |
| 21 | 6 |
| 22 | -7 |
| 23 | -7 |
| 24 | -5 |
| 25 | -9 |
| 26 | 3 |
| 27 | 7 |
| 28 | 13 |
| 29 | 14 |
| 30 | 10 |
| 31 | 10 |
| 32 | 9 |
| 33 | 2 |
| 34 | -16 |
| 35 | -13 |
| 36 | -11 |
| 37 | -10 |
| 38 | 7 |
| 39 | 23 |
| 40 | 16 |
| 41 | 16 |
| 42 | 25 |
| 43 | 26 |
| 44 | 13 |
| 45 | 11 |
| 46 | -14 |
| 47 | -14 |
| 48 | -12 |
| 49 | -4 |
| 50 | -10 |
| 51 | -23 |
| 52 | -11 |
| 53 | -10 |
| 54 | -9 |
| 55 | -25 |
| 56 | -20 |
| 57 | 2 |
| 58 | 29 |
| 59 | 29 |
| 60 | 26 |
| 61 | 27 |
| 62 | -6 |
| 63 | 4 |
| 64 | 2 |
| 65 | 10 |
| 66 | 0 |
| 67 | 0 |
| 68 | -18 |
| 69 | -37 |
| 70 | -36 |
| 71 | -35 |
| 72 | -34 |
| 73 | -34 |
| 74 | 2 |
| 75 | 1 |
| 76 | 19 |
| 77 | 16 |
| 78 | 31 |
| 79 | 32 |
| 80 | 25 |
| 81 | 28 |
| 82 | -15 |
| 83 | -15 |
| 84 | -6 |
| 85 | -27 |
| 86 | 15 |
[0,0,0,1,-1,-1,1,2,0,3,-4,-4,-2,-1,4,2,0,0,2,3,-4, 6,-7,-7,-5,-9,3,7,13,14,10,10,9,2,-16,-13,-11,-10, 7,23,16,16,25,26,13,11,-14,-14,-12,-4,-10,-23,-11, -10,-9,-25,-20,2,29,29,26,27,-6,4,2,10,0,0,-18, -37,-36,-35,-34,-34,2,1,19,16,31,32,25,28,-15,-15, -6,-27,15] |