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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | -1 |
| 4 | 4 |
| 5 | -3 |
| 6 | 6 |
| 7 | -5 |
| 8 | -4 |
| 9 | 5 |
| 10 | -2 |
| 11 | 3 |
| 12 | 12 |
| 13 | -11 |
| 14 | -10 |
| 15 | 11 |
| 16 | -8 |
| 17 | 9 |
| 18 | 18 |
| 19 | -17 |
| 20 | -16 |
| 21 | 17 |
| 22 | -14 |
| 23 | 15 |
| 24 | 24 |
| 25 | -23 |
| 26 | -22 |
| 27 | 23 |
| 28 | -20 |
| 29 | 21 |
| 30 | 30 |
| 31 | -29 |
| 32 | -28 |
| 33 | 29 |
| 34 | -26 |
| 35 | 27 |
| 36 | -24 |
| 37 | 25 |
| 38 | 26 |
| 39 | -25 |
| 40 | 28 |
| 41 | -27 |
| 42 | -18 |
| 43 | 19 |
| 44 | 20 |
| 45 | -19 |
| 46 | 22 |
| 47 | -21 |
| 48 | -12 |
| 49 | 13 |
| 50 | 14 |
| 51 | -13 |
| 52 | 16 |
| 53 | -15 |
| 54 | -6 |
| 55 | 7 |
| 56 | 8 |
| 57 | -7 |
| 58 | 10 |
| 59 | -9 |
| 60 | 60 |
| 61 | -59 |
[0,1,2,-1,4,-3,6,-5,-4,5,-2,3,12,-11,-10,11,-8,9, 18,-17,-16,17,-14,15,24,-23,-22,23,-20,21,30,-29, -28,29,-26,27,-24,25,26,-25,28,-27,-18,19,20,-19, 22,-21,-12,13,14,-13,16,-15,-6,7,8,-7,10,-9,60, -59] |