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