%I #11 Nov 25 2022 11:00:37
%S 93,193,293,393,493,593,693,793,893,939,993,1093,1193,1293,1393,1493,
%T 1593,1693,1793,1893,1939,1993,2093,2193,2293,2393,2493,2593,2693,
%U 2793,2893,2939,2993,3093,3193,3293,3393,3493,3593
%N Numbers k such that the digit string 9,3 occurs in the base-10 representation of k but not of k+1.
%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n],{9,3}]>0,1,0],{n,4000}],{1,0}][[All,1]] (* _Harvey P. Dale_, Nov 25 2022 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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