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