%I A136527
%S A136527 4,2,6,4,2,8,1,3,1,9,2,2,2,1,10,4,6,4,3,2,12,2,2,2,1,2,2,14,1,3,1,3,5,
               3,
%T A136527 1,15,4,2,8,1,2,4,2,1,16,2,6,2,9,2,6,2,3,2,18,4,2,4,1,10,4,2,5,4,2,20,
               1,
%U A136527 3,1,3,1,3,7,3,1,3,1,21,2,2,2,1,2,2,2,1,2,2,2,1,22,4,6,8,3,2,12,2,3,8,
               6
%N A136527 Triangle read by rows: T(n,k) = greatest common divisor of n-th and k-th 
               composite number, 1<=k<=n.
%C A136527 T(n,k) = A050873(A002808(n),A002808(k));
%C A136527 A073783(n) = T(n-1,n) for n>1;
%C A136527 A002808(n) = T(n,n).
%Y A136527 Sequence in context: A097467 A092205 A059853 this_sequence A138614 A161912 
               A162339
%Y A136527 Adjacent sequences: A136524 A136525 A136526 this_sequence A136528 A136529 
               A136530
%K A136527 nonn,tabl
%O A136527 1,1
%A A136527 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 03 2008