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%I #2 Mar 30 2012 16:51:01
%S 1,0,0,0,0,1722,10619,49815,157563,341530,487326,487326,341530,157563,
%T 49815,10619,1722,0,0,0,0,1
%N Weight distribution of [42,21,10] binary extended quadratic-residue (or QR) 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>
%e The weight distribution is:
%e i A_i
%e 0 1
%e 10 1722
%e 12 10619
%e 14 49815
%e 16 157563
%e 18 341530
%e 20 487326
%e 22 487326
%e 24 341530
%e 26 157563
%e 28 49815
%e 30 10619
%e 32 1722
%e 42 1
%K nonn,fini,full
%O 0,6
%A _N. J. A. Sloane_, Mar 20 2009; example lines corrected Apr 11 2009
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