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