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A121758 as a simple table
| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 2 |
| 3 | -3 |
| 4 | 4 |
| 5 | -5 |
| 6 | 6 |
| 7 | -7 |
| 8 | 8 |
| 9 | -9 |
| 10 | -10 |
| 11 | -11 |
| 12 | -8 |
| 13 | -13 |
| 14 | -6 |
| 15 | -15 |
| 16 | -4 |
| 17 | -17 |
| 18 | -2 |
| 19 | -19 |
| 20 | 20 |
| 21 | 19 |
| 22 | 22 |
| 23 | 17 |
| 24 | 24 |
| 25 | 15 |
| 26 | 26 |
| 27 | 13 |
| 28 | 28 |
| 29 | 11 |
| 30 | -30 |
| 31 | -31 |
| 32 | -28 |
| 33 | -33 |
| 34 | -26 |
| 35 | -35 |
| 36 | -24 |
| 37 | -37 |
| 38 | -22 |
| 39 | -39 |
| 40 | 40 |
| 41 | 39 |
| 42 | 42 |
| 43 | 37 |
| 44 | 44 |
| 45 | 35 |
| 46 | 46 |
| 47 | 33 |
| 48 | 48 |
| 49 | 31 |
| 50 | -50 |
| 51 | -51 |
| 52 | -48 |
| 53 | -53 |
| 54 | -46 |
| 55 | -55 |
| 56 | -44 |
| 57 | -57 |
| 58 | -42 |
| 59 | -59 |
| 60 | 60 |
| 61 | 59 |
| 62 | 62 |
| 63 | 57 |
| 64 | 64 |
| 65 | 55 |
| 66 | 66 |
| 67 | 53 |
| 68 | 68 |
| 69 | 51 |
| 70 | -70 |
| 71 | -71 |
| 72 | -68 |
| 73 | -73 |
| 74 | -66 |
| 75 | -75 |
| 76 | -64 |
[-1,2,-3,4,-5,6,-7,8,-9,-10,-11,-8,-13,-6,-15,-4, -17,-2,-19,20,19,22,17,24,15,26,13,28,11,-30,-31, -28,-33,-26,-35,-24,-37,-22,-39,40,39,42,37,44,35, 46,33,48,31,-50,-51,-48,-53,-46,-55,-44,-57,-42, -59,60,59,62,57,64,55,66,53,68,51,-70,-71,-68,-73, -66,-75,-64] |