%I #5 Mar 30 2012 18:50:42
%S 1,15,33,35,45,51,69,75,85,87,99,123,135,141,143,153,159,161,175,177,
%T 185,207,213,225,235,245,249,259,261,267,297,303,321,323,335,339,363,
%U 369,375,393,405,411,423,425,447,455,459,477,485,501,519,531,533,535
%N Numbers n such that omega(n) = gpf(n) mod spf(n), where omega=A001221, gpf=A006530 and spf=A020639.
%C A069859(a(n)) = A001221(a(n));
%C A064900 is a subsequence.
%Y Cf. A089967.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Nov 17 2003