%I A044178
%S A044178 40,89,138,187,236,280,334,383,432,481,530,579,623,677,726,775,
%T A044178 824,873,922,966,1020,1069,1118,1167,1216,1265,1309,1363,1412,
%U A044178 1461,1510,1559,1608,1652,1706,1755,1804,1853,1902,1951,1960
%N A044178 Numbers n such that string 5,5 occurs in the base 7 representation of 
               n but not of n-1.
%Y A044178 Sequence in context: A141528 A160282 A043414 this_sequence A044559 A092613 
               A005930
%Y A044178 Adjacent sequences: A044175 A044176 A044177 this_sequence A044179 A044180 
               A044181
%K A044178 nonn,base
%O A044178 1,1
%A A044178 Clark Kimberling (ck6(AT)evansville.edu)