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A151513 Weight distribution of [128,71,20] extended binary primitive BCH (or XBCH) code. 0

%I #3 Mar 10 2020 12:45:31

%S 1,0,0,0,0,0,0,0,0,0,2674112,37486336,839699616,13825045248,

%T 188001347136,2140095182336,20510697927468,166689980438016,

%U 1156658661471040,6886497209935616,35363776220195360

%N Weight distribution of [128,71,20] 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 0 1

%e 20 2674112

%e 22 37486336

%e 24 839699616

%e 26 13825045248

%e 28 188001347136

%e 30 2140095182336

%e 32 20510697927468

%e 34 166689980438016

%e 36 1156658661471040

%e 38 6886497209935616

%e 40 35363776220195360

%e 42 157207798773129984

%e 44 607468163067994304

%e 46 2045773679068686336

%e 48 6023796954778012480

%e 50 15537040516548126720

%e 52 35191124114633006464

%e 54 70078589269156969984

%e 56 122925566952088660288

%e 58 190054082758956107264

%e 60 259342737902840355456

%e 62 312380032198035579904

%e 64 332409207867786543910

%e 66 312380032198035579904

%e 68 259342737902840355456

%e 70 190054082758956107264

%e 72 122925566952088660288

%e 74 70078589269156969984

%e 76 35191124114633006464

%e 78 15537040516548126720

%e 80 6023796954778012480

%e 82 2045773679068686336

%e 84 607468163067994304

%e 86 157207798773129984

%e 88 35363776220195360

%e 90 6886497209935616

%e 92 1156658661471040

%e 94 166689980438016

%e 96 20510697927468

%e 98 2140095182336

%e 100 188001347136

%e 102 13825045248

%e 104 839699616

%e 106 37486336

%e 108 2674112

%e 128 1

%K nonn,fini

%O 0,11

%A _N. J. A. Sloane_, May 15 2009; typo in definition corrected May 22 2009

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)