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A044132 Numbers n such that string 5,0 occurs in the base 6 representation of n but not of n-1. 0

%I #7 Jul 03 2020 18:57:11

%S 30,66,102,138,174,180,210,246,282,318,354,390,396,426,462,498,534,

%T 570,606,612,642,678,714,750,786,822,828,858,894,930,966,1002,1038,

%U 1044,1074,1080,1146,1182,1218,1254,1260,1290,1326

%N Numbers n such that string 5,0 occurs in the base 6 representation of n but not of n-1.

%t SequencePosition[Table[If[SequenceCount[IntegerDigits[n,6],{5,0}]>0,1,0],{n,1400}],{0,1}][[All,2]] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jul 03 2020 *)

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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Last modified July 15 06:58 EDT 2024. Contains 374324 sequences. (Running on oeis4.)