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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 2 |
| 1 | -1 |
| 2 | 0 |
| 3 | 3 |
| 4 | -2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 0 |
| 8 | 4 |
| 9 | 8 |
| 10 | -4 |
| 11 | 5 |
| 12 | 12 |
| 13 | -5 |
| 14 | 8 |
| 15 | 16 |
| 16 | -6 |
| 17 | 14 |
| 18 | 28 |
| 19 | -11 |
| 20 | 14 |
| 21 | 37 |
| 22 | -16 |
| 23 | 26 |
| 24 | 50 |
| 25 | -17 |
| 26 | 36 |
| 27 | 75 |
| 28 | -30 |
| 29 | 46 |
| 30 | 100 |
| 31 | -39 |
| 32 | 64 |
| 33 | 129 |
| 34 | -48 |
| 35 | 92 |
| 36 | 184 |
| 37 | -71 |
| 38 | 108 |
| 39 | 238 |
| 40 | -94 |
| 41 | 156 |
| 42 | 308 |
| 43 | -110 |
| 44 | 202 |
| 45 | 413 |
| 46 | -160 |
| 47 | 253 |
| 48 | 530 |
| 49 | -203 |
| 50 | 332 |
| 51 | 670 |
| 52 | -248 |
| 53 | 437 |
| 54 | 880 |
| 55 | -332 |
| 56 | 528 |
| 57 | 1107 |
| 58 | -424 |
| 59 | 696 |
| 60 | 1388 |
| 61 | -508 |
| 62 | 876 |
| 63 | 1773 |
| 64 | -672 |
| 65 | 1079 |
| 66 | 2212 |
| 67 | -831 |
| 68 | 1362 |
| 69 | 2735 |
| 70 | -1012 |
| 71 | 1717 |
| 72 | 3446 |
| 73 | -1288 |
[1,2,-1,0,3,-2,3,4,0,4,8,-4,5,12,-5,8,16,-6,14,28, -11,14,37,-16,26,50,-17,36,75,-30,46,100,-39,64, 129,-48,92,184,-71,108,238,-94,156,308,-110,202, 413,-160,253,530,-203,332,670,-248,437,880,-332, 528,1107,-424,696,1388,-508,876,1773,-672,1079, 2212,-831,1362,2735,-1012,1717,3446,-1288] |