%I A016118
%S A016118 1,1,0,1,1,0,1,1,0,1,1,0,1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,
%T A016118 1,0,1,1,0,1,1,0,1,1,1,1,0,1,1,0,1,1,0,1,1,0,1,1,0,1,1,
%U A016118 0,1,0,1,1,0,1,1,0,1,1,0,1,1,0,1,1,0,1,1,1,1,0,1,1,0,1
%V A016118 1,-1,0,1,-1,0,1,-1,0,1,-1,0,1,-1,0,1,-1,0,1,0,-1,1,0,-1,1,0,-1,
%W A016118 1,0,-1,1,0,-1,1,0,-1,1,1,-1,0,1,-1,0,1,-1,0,1,-1,0,1,-1,0,1,-1,
%X A016118 0,1,0,-1,1,0,-1,1,0,-1,1,0,-1,1,0,-1,1,0,-1,1,1,-1,0,1,-1,0,1
%N A016118 Inverse of 2109th cyclotomic polynomial.
%p A016118 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);
%Y A016118 Sequence in context: A015320 A015662 A011652 this_sequence A011646 A016350 
               A117441
%Y A016118 Adjacent sequences: A016115 A016116 A016117 this_sequence A016119 A016120 
               A016121
%K A016118 sign
%O A016118 0,1
%A A016118 Simon Plouffe (simon.plouffe(AT)gmail.com)