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%I #7 Jan 16 2022 13:57:42
%S 60,160,260,360,460,560,600,660,760,860,960,1060,1160,1260,1360,1460,
%T 1560,1600,1660,1760,1860,1960,2060,2160,2260,2360,2460,2560,2600,
%U 2660,2760,2860,2960,3060,3160,3260,3360,3460,3560
%N Numbers n such that string 6,0 occurs in the base 10 representation of n but not of n-1.
%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n],{6,0}]>0,1,0],{n,4000}],{0,1}][[All,2]] (* _Harvey P. Dale_, Jan 16 2022 *)
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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