The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 0 |
| 5 | -1 |
| 6 | 0 |
| 7 | -1 |
| 8 | -1 |
| 9 | 0 |
| 10 | -2 |
| 11 | 0 |
| 12 | 4 |
| 13 | 1 |
| 14 | -2 |
| 15 | 3 |
| 16 | 4 |
| 17 | -2 |
| 18 | -3 |
| 19 | -1 |
| 20 | -2 |
| 21 | -2 |
| 22 | -2 |
| 23 | -5 |
| 24 | 0 |
| 25 | 9 |
| 26 | 3 |
| 27 | -4 |
| 28 | 8 |
| 29 | 12 |
| 30 | -4 |
| 31 | -7 |
| 32 | -1 |
| 33 | -6 |
| 34 | -6 |
| 35 | -4 |
| 36 | -12 |
| 37 | -1 |
| 38 | 22 |
| 39 | 6 |
| 40 | -10 |
| 41 | 17 |
| 42 | 24 |
| 43 | -9 |
| 44 | -16 |
| 45 | -3 |
| 46 | -12 |
| 47 | -11 |
| 48 | -8 |
| 49 | -25 |
| 50 | -1 |
| 51 | 45 |
| 52 | 14 |
| 53 | -20 |
| 54 | 36 |
| 55 | 52 |
| 56 | -18 |
| 57 | -32 |
| 58 | -6 |
| 59 | -25 |
| 60 | -24 |
| 61 | -16 |
| 62 | -50 |
| 63 | -2 |
| 64 | 88 |
[1,1,0,1,2,0,-1,0,-1,-1,0,-2,0,4,1,-2,3,4,-2,-3, -1,-2,-2,-2,-5,0,9,3,-4,8,12,-4,-7,-1,-6,-6,-4, -12,-1,22,6,-10,17,24,-9,-16,-3,-12,-11,-8,-25,-1, 45,14,-20,36,52,-18,-32,-6,-25,-24,-16,-50,-2,88] |