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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 1 |
| 3 | 1 |
| 4 | -1 |
| 5 | 1 |
| 6 | -1 |
| 7 | 2 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 0 |
| 12 | 5 |
| 13 | 2 |
| 14 | 1 |
| 15 | -1 |
| 16 | 9 |
| 17 | 15 |
| 18 | 15 |
| 19 | 5 |
| 20 | 1 |
| 21 | 1 |
| 22 | 35 |
| 23 | 94 |
| 24 | 85 |
| 25 | 40 |
| 26 | 9 |
| 27 | 1 |
| 28 | -1 |
| 29 | 230 |
| 30 | 595 |
| 31 | 609 |
| 32 | 315 |
| 33 | 91 |
| 34 | 14 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1624 |
| 38 | 4458 |
| 39 | 4844 |
| 40 | 2779 |
| 41 | 924 |
| 42 | 182 |
| 43 | 20 |
| 44 | 1 |
| 45 | -1 |
| 46 | 13209 |
| 47 | 37590 |
| 48 | 43238 |
| 49 | 26817 |
| 50 | 9975 |
| 51 | 2310 |
| 52 | 330 |
| 53 | 27 |
| 54 | 1 |
[1,-1,1,1,-1,1,-1,2,0,1,1,0,5,2,1,-1,9,15,15,5,1, 1,35,94,85,40,9,1,-1,230,595,609,315,91,14,1,1, 1624,4458,4844,2779,924,182,20,1,-1,13209,37590, 43238,26817,9975,2310,330,27,1] |