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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | -1 |
| 5 | -1 |
| 6 | 2 |
| 7 | -1 |
| 8 | -1 |
| 9 | 3 |
| 10 | -2 |
| 11 | -2 |
| 12 | 5 |
| 13 | -3 |
| 14 | -3 |
| 15 | 7 |
| 16 | -5 |
| 17 | -4 |
| 18 | 11 |
| 19 | -6 |
| 20 | -6 |
| 21 | 15 |
| 22 | -10 |
| 23 | -9 |
| 24 | 22 |
| 25 | -13 |
| 26 | -12 |
| 27 | 30 |
| 28 | -19 |
| 29 | -17 |
| 30 | 42 |
| 31 | -25 |
| 32 | -23 |
| 33 | 56 |
| 34 | -35 |
| 35 | -31 |
| 36 | 77 |
| 37 | -45 |
| 38 | -41 |
| 39 | 100 |
| 40 | -62 |
| 41 | -55 |
| 42 | 133 |
| 43 | -79 |
| 44 | -71 |
| 45 | 173 |
| 46 | -105 |
| 47 | -93 |
| 48 | 226 |
| 49 | -134 |
| 50 | -120 |
| 51 | 289 |
| 52 | -175 |
| 53 | -154 |
| 54 | 373 |
| 55 | -220 |
| 56 | -196 |
| 57 | 472 |
| 58 | -284 |
| 59 | -250 |
| 60 | 601 |
| 61 | -355 |
| 62 | -314 |
| 63 | 755 |
| 64 | -451 |
| 65 | -396 |
| 66 | 950 |
[1,0,0,1,-1,-1,2,-1,-1,3,-2,-2,5,-3,-3,7,-5,-4,11, -6,-6,15,-10,-9,22,-13,-12,30,-19,-17,42,-25,-23, 56,-35,-31,77,-45,-41,100,-62,-55,133,-79,-71,173, -105,-93,226,-134,-120,289,-175,-154,373,-220, -196,472,-284,-250,601,-355,-314,755,-451,-396, 950] |