%I A067064
%S A067064 1,3,7,8,14,15,20,23,24,26,38,41,44,59,60,65,78,83,92,114,123,132,133,
%T A067064 135,140,143,158,167,168,177,182,188,195,203,204,209,220,224,239,246,
%U A067064 248,249,266,284,285,286,287,297,299,334,378,381,395,413,415,420,437
%N A067064 Numbers n such that sigma(sigma(sigma(n)))) == 0 (mod sigma(n)).
%Y A067064 Sequence in context: A002312 A106474 A127441 this_sequence A093722 A002381 
               A131559
%Y A067064 Adjacent sequences: A067061 A067062 A067063 this_sequence A067065 A067066 
               A067067
%K A067064 nonn
%O A067064 1,2
%A A067064 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 17 2002