%I A067065
%S A067065 20,26,41,44,65,83,132,133,140,182,188,195,249,287,299,420,546,564,620,
%T A067065 644,764,806,861,897,1001,1115,1169,1271,28644,32172,35052,39116
%N A067065 Numbers n such that sigma(sigma(sigma(n)))) == 6*sigma(n).
%Y A067065 Sequence in context: A070684 A167306 A061840 this_sequence A101070 A070717 
               A114813
%Y A067065 Adjacent sequences: A067062 A067063 A067064 this_sequence A067066 A067067 
               A067068
%K A067065 nonn
%O A067065 1,1
%A A067065 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 17 2002