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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | -1 |
| 3 | 1 |
| 4 | 0 |
| 5 | -1 |
| 6 | 2 |
| 7 | -1 |
| 8 | -2 |
| 9 | 3 |
| 10 | -1 |
| 11 | -3 |
| 12 | 5 |
| 13 | -1 |
| 14 | -5 |
| 15 | 7 |
| 16 | -2 |
| 17 | -7 |
| 18 | 11 |
| 19 | -3 |
| 20 | -11 |
| 21 | 15 |
| 22 | -4 |
| 23 | -14 |
| 24 | 22 |
| 25 | -6 |
| 26 | -21 |
| 27 | 30 |
| 28 | -8 |
| 29 | -28 |
| 30 | 42 |
| 31 | -11 |
| 32 | -39 |
| 33 | 55 |
| 34 | -15 |
| 35 | -51 |
| 36 | 76 |
| 37 | -20 |
| 38 | -70 |
| 39 | 99 |
| 40 | -26 |
| 41 | -90 |
| 42 | 132 |
| 43 | -35 |
| 44 | -120 |
| 45 | 171 |
| 46 | -45 |
| 47 | -154 |
| 48 | 223 |
| 49 | -58 |
| 50 | -201 |
| 51 | 285 |
| 52 | -75 |
| 53 | -255 |
| 54 | 368 |
| 55 | -96 |
| 56 | -329 |
| 57 | 465 |
| 58 | -121 |
| 59 | -413 |
| 60 | 592 |
| 61 | -154 |
| 62 | -525 |
| 63 | 743 |
| 64 | -193 |
| 65 | -656 |
| 66 | 935 |
| 67 | -242 |
[1,0,-1,1,0,-1,2,-1,-2,3,-1,-3,5,-1,-5,7,-2,-7,11, -3,-11,15,-4,-14,22,-6,-21,30,-8,-28,42,-11,-39, 55,-15,-51,76,-20,-70,99,-26,-90,132,-35,-120,171, -45,-154,223,-58,-201,285,-75,-255,368,-96,-329, 465,-121,-413,592,-154,-525,743,-193,-656,935, -242] |