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A151660 Weight distribution of [256,63,64] extended binary primitive BCH (or XBCH) code. 0

%I

%S 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%T 43180,261120,0,1501440,7376640,98572800,172078080,2851952640,

%U 4852262400,67242055680,96309150720,1166182422528,1459521557760

%N Weight distribution of [256,63,64] 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 64 43180

%e 66 261120

%e 70 1501440

%e 72 7376640

%e 74 98572800

%e 76 172078080

%e 78 2851952640

%e 80 4852262400

%e 82 67242055680

%e 84 96309150720

%e 86 1166182422528

%e 88 1459521557760

%e 90 15321213010176

%e 92 16709035898880

%e 94 153312193244160

%e 96 146146884054336

%e 98 1173316151301120

%e 100 979975572879360

%e 102 6900428068335360

%e 104 5059392102393600

%e 106 31299895943230464

%e 108 20178601990364160

%e 110 109843178924304384

%e 112 62349216734702080

%e 114 298997057318922240

%e 116 149588571210624000

%e 118 632550521391905280

%e 120 279154377573332224

%e 122 1041579982098712320

%e 124 405696763652689920

%e 126 1336250264140809216

%e 128 459500377974879270

%e 130 1336250264140809216

%e 132 405696763652689920

%e 134 1041579982098712320

%e 136 279154377573332224

%e 138 632550521391905280

%e 140 149588571210624000

%e 142 298997057318922240

%e 144 62349216734702080

%e 146 109843178924304384

%e 148 20178601990364160

%e 150 31299895943230464

%e 152 5059392102393600

%e 154 6900428068335360

%e 156 979975572879360

%e 158 1173316151301120

%e 160 146146884054336

%e 162 153312193244160

%e 164 16709035898880

%e 166 15321213010176

%e 168 1459521557760

%e 170 1166182422528

%e 172 96309150720

%e 174 67242055680

%e 176 4852262400

%e 178 2851952640

%e 180 172078080

%e 182 98572800

%e 184 7376640

%e 186 1501440

%e 190 261120

%e 192 43180

%e 256 1

%K nonn,fini

%O 0,33

%A _N. J. A. Sloane_, May 30 2009

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Last modified October 30 18:13 EDT 2020. Contains 338090 sequences. (Running on oeis4.)