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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -1 |
| 3 | 2 |
| 4 | 0 |
| 5 | 2 |
| 6 | -1 |
| 7 | 4 |
| 8 | 1 |
| 9 | 4 |
| 10 | -2 |
| 11 | 8 |
| 12 | 2 |
| 13 | 10 |
| 14 | -1 |
| 15 | 12 |
| 16 | 3 |
| 17 | 16 |
| 18 | -3 |
| 19 | 20 |
| 20 | 3 |
| 21 | 28 |
| 22 | -3 |
| 23 | 34 |
| 24 | 4 |
| 25 | 42 |
| 26 | -5 |
| 27 | 52 |
| 28 | 5 |
| 29 | 64 |
| 30 | -7 |
| 31 | 84 |
| 32 | 8 |
| 33 | 100 |
| 34 | -8 |
| 35 | 120 |
| 36 | 9 |
| 37 | 148 |
| 38 | -10 |
| 39 | 176 |
| 40 | 13 |
| 41 | 218 |
| 42 | -15 |
| 43 | 260 |
| 44 | 14 |
| 45 | 308 |
| 46 | -17 |
| 47 | 368 |
| 48 | 20 |
| 49 | 436 |
| 50 | -23 |
| 51 | 524 |
| 52 | 24 |
| 53 | 616 |
| 54 | -26 |
| 55 | 724 |
| 56 | 31 |
| 57 | 852 |
| 58 | -34 |
| 59 | 996 |
| 60 | 38 |
| 61 | 1178 |
| 62 | -41 |
| 63 | 1370 |
| 64 | 46 |
| 65 | 1592 |
| 66 | -52 |
| 67 | 1856 |
| 68 | 55 |
[1,2,-1,2,0,2,-1,4,1,4,-2,8,2,10,-1,12,3,16,-3,20, 3,28,-3,34,4,42,-5,52,5,64,-7,84,8,100,-8,120,9, 148,-10,176,13,218,-15,260,14,308,-17,368,20,436, -23,524,24,616,-26,724,31,852,-34,996,38,1178,-41, 1370,46,1592,-52,1856,55] |