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Weight distribution of [128,64,22] extended binary primitive BCH (or XBCH) code.
0

%I #4 Mar 10 2020 12:45:31

%S 1,0,0,0,0,0,0,0,0,0,0,243840,6855968,107988608,1479751168,

%T 16581217536,161471882796,1292241296640,9106516329984,53383279307904,

%U 278420690161824,1218666847725184,4782630191822848

%N Weight distribution of [128,64,22] extended binary primitive BCH (or XBCH) code.

%C Taken from the Terada-Asatani-Koumoto web site.

%H M. Terada, J. Asatani and T. Koumoto, <a href="http://isec.ec.okayama-u.ac.jp/home/kusaka/wd/index.html">Weight Distribution</a>

%e The weight distribution is:

%e i A_i

%e 0 1

%e 22 243840

%e 24 6855968

%e 26 107988608

%e 28 1479751168

%e 30 16581217536

%e 32 161471882796

%e 34 1292241296640

%e 36 9106516329984

%e 38 53383279307904

%e 40 278420690161824

%e 42 1218666847725184

%e 44 4782630191822848

%e 46 15858705600596992

%e 48 47425684161326912

%e 50 120442185147493376

%e 52 277061634654099456

%e 54 543244862505775360

%e 56 967799721857135168

%e 58 1473287478189735168

%e 60 2041819511308530688

%e 62 2421550630907043328

%e 64 2617075886216910118

%e 66 2421550630907043328

%e 68 2041819511308530688

%e 70 1473287478189735168

%e 72 967799721857135168

%e 74 543244862505775360

%e 76 277061634654099456

%e 78 120442185147493376

%e 80 47425684161326912

%e 82 15858705600596992

%e 84 4782630191822848

%e 86 1218666847725184

%e 88 278420690161824

%e 90 53383279307904

%e 92 9106516329984

%e 94 1292241296640

%e 96 161471882796

%e 98 16581217536

%e 100 1479751168

%e 102 107988608

%e 104 6855968

%e 106 243840

%e 128 1

%K nonn,fini

%O 0,12

%A _N. J. A. Sloane_, May 15 2009