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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 1 |
| 3 | 0 |
| 4 | -2 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | -4 |
| 9 | 1 |
| 10 | -6 |
| 11 | 2 |
| 12 | 11 |
| 13 | -7 |
| 14 | 1 |
| 15 | 22 |
| 16 | -24 |
| 17 | -37 |
| 18 | 42 |
| 19 | -12 |
| 20 | 1 |
| 21 | -146 |
| 22 | 204 |
| 23 | 217 |
| 24 | -338 |
| 25 | 133 |
| 26 | -20 |
| 27 | 1 |
| 28 | 1766 |
| 29 | -2654 |
| 30 | -2395 |
| 31 | 4359 |
| 32 | -1995 |
| 33 | 387 |
| 34 | -33 |
| 35 | 1 |
| 36 | -36064 |
| 37 | 56072 |
| 38 | 46122 |
| 39 | -91568 |
| 40 | 45323 |
| 41 | -9982 |
| 42 | 1073 |
| 43 | -54 |
| 44 | 1 |
| 45 | 1212048 |
| 46 | -1921280 |
| 47 | -1492916 |
| 48 | 3124562 |
| 49 | -1616590 |
| 50 | 381615 |
| 51 | -46200 |
| 52 | 2901 |
| 53 | -88 |
| 54 | 1 |
| 55 | -66338064 |
[1,-1,1,0,-2,1,2,2,-4,1,-6,2,11,-7,1,22,-24,-37, 42,-12,1,-146,204,217,-338,133,-20,1,1766,-2654, -2395,4359,-1995,387,-33,1,-36064,56072,46122, -91568,45323,-9982,1073,-54,1,1212048,-1921280, -1492916,3124562,-1616590,381615,-46200,2901,-88, 1,-66338064] |