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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | -2 |
| 5 | 1 |
| 6 | 1 |
| 7 | -4 |
| 8 | 5 |
| 9 | -2 |
| 10 | 1 |
| 11 | -7 |
| 12 | 17 |
| 13 | -17 |
| 14 | 6 |
| 15 | 1 |
| 16 | -12 |
| 17 | 52 |
| 18 | -102 |
| 19 | 91 |
| 20 | -30 |
| 21 | 1 |
| 22 | -20 |
| 23 | 148 |
| 24 | -518 |
| 25 | 907 |
| 26 | -758 |
| 27 | 240 |
| 28 | 1 |
| 29 | -33 |
| 30 | 408 |
| 31 | -2442 |
| 32 | 7641 |
| 33 | -12549 |
| 34 | 10094 |
| 35 | -3120 |
| 36 | 1 |
| 37 | -54 |
| 38 | 1101 |
| 39 | -11010 |
| 40 | 58923 |
| 41 | -173010 |
| 42 | 273623 |
| 43 | -215094 |
| 44 | 65520 |
[1,1,-1,1,-2,1,1,-4,5,-2,1,-7,17,-17,6,1,-12,52, -102,91,-30,1,-20,148,-518,907,-758,240,1,-33,408, -2442,7641,-12549,10094,-3120,1,-54,1101,-11010, 58923,-173010,273623,-215094,65520] |