%I #5 Mar 30 2012 18:56:42
%S 39,88,137,186,235,273,284,333,382,431,480,529,578,616,627,676,725,
%T 774,823,872,921,959,970,1019,1068,1117,1166,1215,1264,1302,1313,1362,
%U 1411,1460,1509,1558,1607,1645,1656,1705,1754,1803
%N Numbers n such that string 5,4 occurs in the base 7 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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