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