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A044069 Numbers n such that string 2,0 occurs in the base 4 representation of n but not of n-1. 0

%I

%S 8,24,32,40,56,72,88,96,104,120,128,152,160,168,184,200,216,224,232,

%T 248,264,280,288,296,312,328,344,352,360,376,384,408,416,424,440,456,

%U 472,480,488,504,512,584,600,608,616,632,640,664

%N Numbers n such that string 2,0 occurs in the base 4 representation of n but not of n-1.

%t Select[Range[700],MemberQ[Partition[IntegerDigits[#,4],2,1],{2,0}] && !MemberQ[Partition[IntegerDigits[#-1,4],2,1],{2,0}]&] (* _Harvey P. Dale_, Jun 14 2013 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified October 23 23:05 EDT 2021. Contains 348217 sequences. (Running on oeis4.)