Search: id:A015227
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%I A015227
%S A015227 1,1,0,1,1,0,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T A015227 0,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,
%U A015227 0,0,0,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0
%V A015227 1,1,0,-1,-1,0,1,0,-1,-1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%W A015227 0,0,-1,-1,0,1,1,0,-1,0,1,1,0,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,
%X A015227 0,0,0,0,1,1,0,-1,-1,0,1,0,-1,-1,0,1,1,0,0,0,0,0,0,0,0,0,0
%N A015227 Inverse of 1218th cyclotomic polynomial.
%p A015227 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);
%Y A015227 Sequence in context: A014660 A015311 A014618 this_sequence A014492 A014975 
               A014408
%Y A015227 Adjacent sequences: A015224 A015225 A015226 this_sequence A015228 A015229 
               A015230
%K A015227 sign
%O A015227 0,1
%A A015227 Simon Plouffe (simon.plouffe(AT)gmail.com)

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