%I A015868
%S A015868 1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,
%T A015868 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,
%U A015868 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0
%V A015868 1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,
%W A015868 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,
%X A015868 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0
%N A015868 Inverse of 1859th cyclotomic polynomial.
%F A015868 a(n)=-1*((n^12 mod 13)-1) - Paolo P. Lava (ppl(AT)spl.at), Oct 02 2006
%p A015868 with(numtheory,cyclotomic); c := n->series(1/cyclotomic(n, x), x,80); 
               c(1859);
%Y A015868 Sequence in context: A134824 A000007 A014041 this_sequence A015824 A014856 
               A015703
%Y A015868 Adjacent sequences: A015865 A015866 A015867 this_sequence A015869 A015870 
               A015871
%K A015868 sign
%O A015868 0,1
%A A015868 Simon Plouffe (simon.plouffe(AT)gmail.com)