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A146894 Weight distribution of [60,30,12] double circulant code. 0

%I

%S 1,0,0,0,0,0,4060,24360,294930,1728400,7758660,26336640,67403540,

%T 129936240,192974265,220819632,192974265,129936240,67403540,26336640,

%U 7758660,1728400,294930,24360,4060,0,0,0,0,0,1

%N Weight distribution of [60,30,12] double circulant code.

%C Taken from the Tjhai-Tomlinson web site.

%H C. J. Tjhai and Martin Tomlinson, <a href="http://www.tech.plym.ac.uk/Research/fixed_and_mobile_communications/links/weightdistributions.htm">Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)</a>

%H <a href="/wiki/List_of_weight_distributions">List of weight distributions</a>

%e The weight distribution is:

%e i A_i

%e 0 1

%e 12 4060

%e 14 24360

%e 16 294930

%e 18 1728400

%e 20 7758660

%e 22 26336640

%e 24 67403540

%e 26 129936240

%e 28 192974265

%e 30 220819632

%e 32 192974265

%e 34 129936240

%e 36 67403540

%e 38 26336640

%e 40 7758660

%e 42 1728400

%e 44 294930

%e 46 24360

%e 48 4060

%e 60 1

%K nonn,fini,full

%O 0,7

%A _N. J. A. Sloane_, Apr 18 2009

%E Zeroes inserted by _Georg Fischer_, Jul 15 2020

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)