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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | -1 |
| 5 | -3 |
| 6 | 0 |
| 7 | 4 |
| 8 | 0 |
| 9 | -1 |
| 10 | 1 |
| 11 | 0 |
| 12 | -25 |
| 13 | 0 |
| 14 | 10 |
| 15 | 0 |
| 16 | -1 |
| 17 | -63 |
| 18 | 0 |
| 19 | 144 |
| 20 | 0 |
| 21 | -97 |
| 22 | 0 |
| 23 | 18 |
| 24 | 0 |
| 25 | -1 |
| 26 | 1 |
| 27 | 0 |
| 28 | -1089 |
| 29 | 0 |
| 30 | 924 |
| 31 | 0 |
| 32 | -262 |
| 33 | 0 |
| 34 | 28 |
| 35 | 0 |
| 36 | -1 |
| 37 | -2303 |
| 38 | 0 |
| 39 | 8352 |
| 40 | 0 |
| 41 | -9489 |
| 42 | 0 |
| 43 | 3576 |
| 44 | 0 |
| 45 | -574 |
| 46 | 0 |
| 47 | 40 |
| 48 | 0 |
| 49 | -1 |
| 50 | 1 |
| 51 | 0 |
| 52 | -77841 |
| 53 | 0 |
| 54 | 103230 |
| 55 | 0 |
| 56 | -49291 |
| 57 | 0 |
| 58 | 10548 |
| 59 | 0 |
| 60 | -1099 |
| 61 | 0 |
| 62 | 54 |
| 63 | 0 |
| 64 | -1 |
| 65 | -147455 |
| 66 | 0 |
| 67 | 748800 |
| 68 | 0 |
| 69 | -1215585 |
| 70 | 0 |
| 71 | 699630 |
| 72 | 0 |
| 73 | -188043 |
| 74 | 0 |
[0,1,0,-1,-3,0,4,0,-1,1,0,-25,0,10,0,-1,-63,0,144, 0,-97,0,18,0,-1,1,0,-1089,0,924,0,-262,0,28,0,-1, -2303,0,8352,0,-9489,0,3576,0,-574,0,40,0,-1,1,0, -77841,0,103230,0,-49291,0,10548,0,-1099,0,54,0, -1,-147455,0,748800,0,-1215585,0,699630,0,-188043, 0] |