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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -2 |
| 3 | 4 |
| 4 | -3 |
| 5 | -5 |
| 6 | 11 |
| 7 | -6 |
| 8 | -7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 10 |
| 12 | 12 |
| 13 | 13 |
| 14 | -14 |
| 15 | -16 |
| 16 | -15 |
| 17 | -17 |
| 18 | 18 |
| 19 | 19 |
| 20 | -20 |
| 21 | 21 |
| 22 | 22 |
| 23 | 23 |
| 24 | 24 |
| 25 | 25 |
| 26 | -26 |
| 27 | -27 |
| 28 | -34 |
| 29 | -28 |
| 30 | -29 |
| 31 | -30 |
| 32 | 31 |
| 33 | 32 |
| 34 | 33 |
| 35 | 35 |
| 36 | -36 |
| 37 | 37 |
| 38 | 38 |
| 39 | 39 |
| 40 | 40 |
| 41 | 41 |
| 42 | -42 |
| 43 | -43 |
| 44 | -44 |
| 45 | -57 |
| 46 | -45 |
| 47 | -46 |
| 48 | -47 |
| 49 | 48 |
| 50 | 49 |
| 51 | -50 |
| 52 | 51 |
| 53 | 52 |
| 54 | 53 |
| 55 | -55 |
| 56 | 54 |
| 57 | 56 |
| 58 | 58 |
| 59 | 59 |
| 60 | 60 |
| 61 | 61 |
| 62 | -62 |
| 63 | -63 |
| 64 | -64 |
| 65 | -65 |
| 66 | -83 |
| 67 | -66 |
| 68 | -67 |
| 69 | -68 |
| 70 | -69 |
| 71 | 70 |
| 72 | 71 |
[1,-2,4,-3,-5,11,-6,-7,8,9,10,12,13,-14,-16,-15, -17,18,19,-20,21,22,23,24,25,-26,-27,-34,-28,-29, -30,31,32,33,35,-36,37,38,39,40,41,-42,-43,-44, -57,-45,-46,-47,48,49,-50,51,52,53,-55,54,56,58, 59,60,61,-62,-63,-64,-65,-83,-66,-67,-68,-69,70, 71] |