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%I A044013 #11 Aug 28 2021 03:05:22
%S A044013 23,32,123,132,223,239,329,332,423,432,523,532,623,632,723,732,823,
%T A044013 832,923,932,1023,1032,1123,1132,1223,1239,1329,1332,1423,1432,1523,
%U A044013 1532,1623,1632,1723,1732,1823,1832,1923,1932,2023
%N A044013 Numbers k such that 2 and 3 occur juxtaposed in the base-10 representation of k but not of k+1.
%t A044013 SequencePosition[Table[If[SequenceCount[IntegerDigits[n],{2,3}]>0 || SequenceCount[ IntegerDigits[n],{3,2}]>0,1,0],{n,2500}],{1,0}][[All,1]] (* _Harvey P. Dale_, Aug 26 2021 *)
%K A044013 nonn,base
%O A044013 1,1
%A A044013 _Clark Kimberling_

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