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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -2 |
| 3 | -3 |
| 4 | 1 |
| 5 | -5 |
| 6 | 6 |
| 7 | -7 |
| 8 | 0 |
| 9 | 3 |
| 10 | 10 |
| 11 | -11 |
| 12 | -3 |
| 13 | -13 |
| 14 | 14 |
| 15 | 15 |
| 16 | 0 |
| 17 | -17 |
| 18 | -6 |
| 19 | -19 |
| 20 | -5 |
| 21 | 21 |
| 22 | 22 |
| 23 | -23 |
| 24 | 0 |
| 25 | 10 |
| 26 | 26 |
| 27 | -1 |
| 28 | -7 |
| 29 | -29 |
| 30 | -30 |
| 31 | -31 |
| 32 | 0 |
| 33 | 33 |
| 34 | 34 |
| 35 | 35 |
| 36 | 3 |
| 37 | -37 |
| 38 | 38 |
| 39 | 39 |
| 40 | 0 |
| 41 | -41 |
| 42 | -42 |
| 43 | -43 |
| 44 | -11 |
| 45 | -15 |
| 46 | 46 |
| 47 | -47 |
| 48 | 0 |
| 49 | 21 |
| 50 | -20 |
| 51 | 51 |
| 52 | -13 |
| 53 | -53 |
| 54 | 2 |
| 55 | 55 |
| 56 | 0 |
| 57 | 57 |
| 58 | 58 |
| 59 | -59 |
| 60 | 15 |
| 61 | -61 |
| 62 | 62 |
| 63 | -21 |
| 64 | 0 |
| 65 | 65 |
| 66 | -66 |
| 67 | -67 |
| 68 | -17 |
[1,-2,-3,1,-5,6,-7,0,3,10,-11,-3,-13,14,15,0,-17, -6,-19,-5,21,22,-23,0,10,26,-1,-7,-29,-30,-31,0, 33,34,35,3,-37,38,39,0,-41,-42,-43,-11,-15,46,-47, 0,21,-20,51,-13,-53,2,55,0,57,58,-59,15,-61,62, -21,0,65,-66,-67,-17] |