Search: id:A146947
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%I A146947
%S A146947 1,0,0,0,0,0,571704,17008194,5507510484,1252615755636,
%T A146947 166058829151929,13047194638256310,629048483051035008,
%U A146947 19087129808556584960,372099697089030127616,4739291490433882914816
%N A146947 Weight distribution of [168,84,24] double circulant code.
%C A146947 Taken from the Tjhai-Tomlinson web site.
%H A146947 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 A146947 The weight distribution is:
%e A146947 i A_i
%e A146947 0 1
%e A146947 24 571704
%e A146947 28 17008194
%e A146947 32 5507510484
%e A146947 36 1252615755636
%e A146947 40 166058829151929
%e A146947 44 13047194638256310
%e A146947 48 629048483051035008
%e A146947 52 19087129808556584960
%e A146947 56 372099697089030127616
%e A146947 60 4739291490433882914816
%e A146947 64 39973673426117373984768
%e A146947 68 225696677517789489004544
%e A146947 72 860241109321000232681472
%e A146947 76 2227390682939806405623808
%e A146947 80 3935099587279668738260992
%e A146947 84 4755747411704650296983552
%e A146947 88 3935099587279668738260992
%e A146947 92 2227390682939806405623808
%e A146947 96 860241109321000232681472
%e A146947 100 225696677517789489004544
%e A146947 104 39973673426117373984768
%e A146947 108 4739291490433882914816
%e A146947 112 372099697089030127616
%e A146947 116 19087129808556584960
%e A146947 120 629048483051035008
%e A146947 124 13047194638256310
%e A146947 128 166058829151929
%e A146947 132 1252615755636
%e A146947 136 5507510484
%e A146947 140 17008194
%e A146947 144 571704
%e A146947 168 1
%Y A146947 Sequence in context: A068724 A121169 A090061 this_sequence A119402 A050518 
               A104962
%Y A146947 Adjacent sequences: A146944 A146945 A146946 this_sequence A146948 A146949 
               A146950
%K A146947 nonn,fini
%O A146947 0,7
%A A146947 N. J. A. Sloane (njas(AT)research.att.com), Apr 20 2009

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