# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/

Search: id:a109477
Showing 1-1 of 1

%I A109477 #8 Sep 08 2022 08:45:19
%S A109477 1,0,0,496,1054,496,0,0,1
%N A109477 Weight enumerator of [32,11,10] extended BCH code.
%H A109477 N. Heninger, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/abs/math.NT/0509316">On the Integrality of n-th Roots of Generating Functions</a>, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.
%H A109477 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 A109477 x^32 + 496*x^20*y^12 + 1054*x^16*y^16 + 496*x^12*y^20 + y^32.
%o A109477 (Magma) C := BCHCode(GF(2),31,9); D:=ExtendCode(C); W<x,y>:=WeightEnumerator(D);
%K A109477 nonn,fini,full
%O A109477 0,4
%A A109477 _N. J. A. Sloane_ and Nadia Heninger, Aug 29 2005

# Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE