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A030062
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Weight distribution of [ 96,48,12 ] doubly-even self-dual "octern" code.
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0
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1, 0, 0, 248, 9672, 3219288, 369688144, 18640824768, 422091297303, 4552776690944, 24292916390448, 65726628219120, 91448124030784, 65726628219120, 24292916390448, 4552776690944, 422091297303, 18640824768, 369688144, 3219288, 9672, 248, 0, 0, 1
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OFFSET
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0,4
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REFERENCES
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Chapman, Higher power residue codes, Finite Flds Applic. 3 (1997), 353-369.
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LINKS
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MAPLE
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f := x^8+14*x^4*y^4+y^8;
g := x^4*y^4*(x^4-y^4)^4;
f^12-168*f^9*g+7548*f^6*g^2-75672*f^3*g^3+30318*g^4;
seq(coeffs(coeff(%, x, 4*i)), i=0..degree(%)/4);
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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