| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | -1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 0 |
| 14 | 6 |
| 15 | 8 |
| 16 | 1 |
| 17 | 9 |
| 18 | 9 |
| 19 | 0 |
| 20 | 8 |
| 21 | 8 |
| 22 | -1 |
| 23 | 9 |
| 24 | 11 |
| 25 | 0 |
| 26 | 14 |
| 27 | 16 |
| 28 | 1 |
| 29 | 17 |
| 30 | 17 |
| 31 | 0 |
| 32 | 16 |
| 33 | 16 |
| 34 | -1 |
| 35 | 17 |
| 36 | 19 |
| 37 | 0 |
| 38 | 22 |
| 39 | 24 |
| 40 | 1 |
| 41 | 25 |
| 42 | 25 |
| 43 | 0 |
| 44 | 24 |
| 45 | 24 |
| 46 | -1 |
| 47 | 25 |
| 48 | 27 |
| 49 | 0 |
| 50 | 30 |
| 51 | 32 |
| 52 | 1 |
| 53 | 33 |
| 54 | 33 |
| 55 | 0 |
| 56 | 32 |
| 57 | 32 |
| 58 | -1 |
| 59 | 33 |
| 60 | 35 |
| 61 | 0 |
| 62 | 38 |
| 63 | 40 |
| 64 | 1 |
| 65 | 41 |
| 66 | 41 |
| 67 | 0 |
| 68 | 40 |
| 69 | 40 |
| 70 | -1 |
| 71 | 41 |
| 72 | 43 |
| 73 | 0 |
| 74 | 46 |
| 75 | 48 |
| 76 | 1 |
| 77 | 49 |
| 78 | 49 |
| 79 | 0 |
| 80 | 48 |
| 81 | 48 |
| 82 | -1 |
| 83 | 49 |
| 84 | 51 |
| 85 | 0 |
| 86 | 54 |
| 87 | 56 |
| 88 | 1 |
| 89 | 57 |
| 90 | 57 |
| 91 | 0 |
| 92 | 56 |
| 93 | 56 |
| 94 | -1 |
| 95 | 57 |
| 96 | 59 |
| 97 | 0 |
| 98 | 62 |
| 99 | 64 |
[0,0,0,1,1,1,0,0,0,-1,1,3,0,6,8,1,9,9,0,8,8,-1,9, 11,0,14,16,1,17,17,0,16,16,-1,17,19,0,22,24,1,25, 25,0,24,24,-1,25,27,0,30,32,1,33,33,0,32,32,-1,33, 35,0,38,40,1,41,41,0,40,40,-1,41,43,0,46,48,1,49, 49,0,48,48,-1,49,51,0,54,56,1,57,57,0,56,56,-1,57, 59,0,62,64] |