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 A030062 Weight distribution of [ 96,48,12 ] doubly-even self-dual "octern" code. 0

%I #8 Mar 19 2020 17:00:22

%S 1,0,0,248,9672,3219288,369688144,18640824768,422091297303,

%T 4552776690944,24292916390448,65726628219120,91448124030784,

%U 65726628219120,24292916390448,4552776690944,422091297303,18640824768,369688144,3219288,9672,248,0,0,1

%N Weight distribution of [ 96,48,12 ] doubly-even self-dual "octern" code.

%D Chapman, Higher power residue codes, Finite Flds Applic. 3 (1997), 353-369.

%p f := x^8+14*x^4*y^4+y^8;

%p g := x^4*y^4*(x^4-y^4)^4;

%p f^12-168*f^9*g+7548*f^6*g^2-75672*f^3*g^3+30318*g^4;

%p seq(coeffs(coeff(%,x,4*i)), i=0..degree(%)/4);

%K nonn,fini,full

%O 0,4

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Mar 19 2020

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Last modified February 25 00:32 EST 2024. Contains 370308 sequences. (Running on oeis4.)