%I A044560
%S A044560 41,90,139,188,237,293,335,384,433,482,531,580,636,678,727,776,825,874,
%T A044560 923,979,1021,1070,1119,1168,1217,1266,1322,1364,1413,1462,1511,1560,
%U A044560 1609,1665,1707,1756,1805,1854,1903,1952,2057
%N A044560 Numbers n such that string 5,6 occurs in the base 7 representation of 
               n but not of n+1.
%Y A044560 Sequence in context: A087857 A139995 A044179 this_sequence A039469 A124247 
               A142658
%Y A044560 Adjacent sequences: A044557 A044558 A044559 this_sequence A044561 A044562 
               A044563
%K A044560 nonn,base
%O A044560 1,1
%A A044560 Clark Kimberling (ck6(AT)evansville.edu)