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