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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 0 |
| 7 | -2 |
| 8 | -2 |
| 9 | 0 |
| 10 | 0 |
| 11 | 2 |
| 12 | 10 |
| 13 | 2 |
| 14 | 0 |
| 15 | 0 |
| 16 | -2 |
| 17 | -28 |
| 18 | -28 |
| 19 | -2 |
| 20 | 0 |
| 21 | 0 |
| 22 | 2 |
| 23 | 60 |
| 24 | 168 |
| 25 | 60 |
| 26 | 2 |
| 27 | 0 |
| 28 | 0 |
| 29 | -2 |
| 30 | -110 |
| 31 | -660 |
| 32 | -660 |
| 33 | -110 |
| 34 | -2 |
| 35 | 0 |
| 36 | 0 |
| 37 | 2 |
| 38 | 182 |
| 39 | 2002 |
| 40 | 4290 |
| 41 | 2002 |
| 42 | 182 |
| 43 | 2 |
| 44 | 0 |
| 45 | 0 |
| 46 | -2 |
| 47 | -280 |
| 48 | -5096 |
| 49 | -20020 |
| 50 | -20020 |
| 51 | -5096 |
| 52 | -280 |
| 53 | -2 |
| 54 | 0 |
| 55 | 0 |
| 56 | 2 |
| 57 | 408 |
| 58 | 11424 |
| 59 | 74256 |
| 60 | 136136 |
| 61 | 74256 |
| 62 | 11424 |
| 63 | 408 |
| 64 | 2 |
| 65 | 0 |
[1,-1,-1,0,2,0,0,-2,-2,0,0,2,10,2,0,0,-2,-28,-28, -2,0,0,2,60,168,60,2,0,0,-2,-110,-660,-660,-110, -2,0,0,2,182,2002,4290,2002,182,2,0,0,-2,-280, -5096,-20020,-20020,-5096,-280,-2,0,0,2,408,11424, 74256,136136,74256,11424,408,2,0] |