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