%I A153180
%S A153180 521,90481,35355581,10525900321,3489827263001,1111126318086721,
%T A153180 359316586176453881,115509240442846111681,37216910406644366498621,
%U A153180 11980863523543017476802001,3858153294795970321295258921
%N A153180 a(n) = L(13n)/L(n) where L(n) = Lucas number A000204(n).
%C A153180 All numbers in this sequence are:
%C A153180 congruent to 1 mod 10
%C A153180 congruent to 1 mod 100 (iff n is congruent to 0 mod 5),Q congruent to 
               21 mod 100 (iff n is congruent to 1 or 4 mod 5),
%C A153180 congruent to 81 mod 100 (iff n is congruent to 2 or 3 mod 5).Q
%t A153180 Table[LucasL[13 n]/LucasL[n], {n, 1, 150}]
%Y A153180 A000032, A000204, A047221, A110391, A153173, A153175, A153177, A153179.
%Y A153180 Sequence in context: A138063 A167734 A122715 this_sequence A015291 A028484 
               A057699
%Y A153180 Adjacent sequences: A153177 A153178 A153179 this_sequence A153181 A153182 
               A153183
%K A153180 nonn
%O A153180 1,1
%A A153180 Artur Jasinski (grafix(AT)csl.pl), Dec 20 2008