%I #8 Aug 23 2021 21:45:29
%S 16,61,116,160,216,261,316,361,416,461,516,561,610,661,716,761,816,
%T 861,916,961,1016,1061,1116,1160,1216,1261,1316,1361,1416,1461,1516,
%U 1561,1600,1716,1761,1816,1861,1916,1961,2016,2061
%N Numbers k such that 1 and 6 occur juxtaposed in the base-10 representation of k but not of k-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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