%I A067224
%S A067224 5225,20405,181685,210395,302375,302445
%N A067224 Numbers n such that phi(5n-1)=sigma(n).
%C A067224 Are there any terms not congruent to 5 in the sequence?
%Y A067224 Sequence in context: A157511 A165599 A109159 this_sequence A093182 A124658 
               A143936
%Y A067224 Adjacent sequences: A067221 A067222 A067223 this_sequence A067225 A067226 
               A067227
%K A067224 nonn
%O A067224 1,1
%A A067224 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 20 2002