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A044452 Numbers n such that string 2,2 occurs in the base 4 representation of n but not of n+1. 0

%I

%S 10,26,43,58,74,90,107,122,138,154,175,186,202,218,235,250,266,282,

%T 299,314,330,346,363,378,394,410,431,442,458,474,491,506,522,538,555,

%U 570,586,602,619,634,703,714,730,747,762,778,794,811,826,842,858,875,890

%N Numbers n such that string 2,2 occurs in the base 4 representation of n but not of n+1.

%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,4],{2,2}]>0,1,0],{n,1200}],{1,0}][[All,1]](* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Nov 19 2019 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

%E More terms from _Harvey P. Dale_, Nov 19 2019

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Last modified January 18 00:30 EST 2022. Contains 350410 sequences. (Running on oeis4.)