%I A044455
%S A044455 13,29,45,55,61,77,93,109,119,125,141,157,173,183,189,205,223,237,247,
%T A044455 253,269,285,301,311,317,333,349,365,375,381,397,413,429,439,445,461,
%U A044455 479,493,503,509,525,541,557,567,573,589,605
%N A044455 Numbers n such that string 3,1 occurs in the base 4 representation of 
               n but not of n+1.
%Y A044455 Sequence in context: A141293 A120827 A044074 this_sequence A082285 A153422 
               A166034
%Y A044455 Adjacent sequences: A044452 A044453 A044454 this_sequence A044456 A044457 
               A044458
%K A044455 nonn,base
%O A044455 1,1
%A A044455 Clark Kimberling (ck6(AT)evansville.edu)