%I A015834
%S A015834 2,4,5,6,9,10,13,14,20,21,30,32,34,43,45,54,55,65,68,70,104,109,114,
%T A015834 129,132,140,151,153,160,176,183,203,234,245,252,279,314,340,370,
%U A015834 407,434,441,539,550,580,589,620,635,644,741,765,798,806,845,860
%N A015834 phi(n) | sigma(n + 1).
%Y A015834 Sequence in context: A089648 A062861 A120629 this_sequence A050011 A030303 
               A047315
%Y A015834 Adjacent sequences: A015831 A015832 A015833 this_sequence A015835 A015836 
               A015837
%K A015834 nonn
%O A015834 0,1
%A A015834 Robert G. Wilson v (rgwv(AT)rgwv.com)