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