%I A014218
%S A014218 1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,
%T A014218 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%U A014218 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%V A014218 1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1,
%W A014218 -1,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%X A014218 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N A014218 Inverse of 209th cyclotomic polynomial.
%p A014218 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n,x),x,80);
%Y A014218 Sequence in context: A014647 A014262 A014515 this_sequence A014427 A014196 
               A014383
%Y A014218 Adjacent sequences: A014215 A014216 A014217 this_sequence A014219 A014220 
               A014221
%K A014218 sign
%O A014218 0,1
%A A014218 Simon Plouffe (simon.plouffe(AT)gmail.com)