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A044188 Numbers n such that string 0,1 occurs in the base 8 representation of n but not of n-1. 0

%I #7 Jun 29 2018 18:54:39

%S 65,129,193,257,321,385,449,513,520,577,641,705,769,833,897,961,1025,

%T 1032,1089,1153,1217,1281,1345,1409,1473,1537,1544,1601,1665,1729,

%U 1793,1857,1921,1985,2049,2056,2113,2177,2241,2305

%N Numbers n such that string 0,1 occurs in the base 8 representation of n but not of n-1.

%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,8],{0,1}]>0,1,0],{n,2400}],{0,1}][[All,2]] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jun 29 2018 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified April 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)