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A325540 Complement of A325539. 5

%I #4 May 07 2019 23:14:50

%S 3,5,8,9,13,14,15,20,21,23,25,32,33,35,37,38,39,45,49,50,53,55,56,57,

%T 59,61,63,68,69,73,74,80,81,83,85,86,87,89,92,93,95,97,103,104,105,

%U 109,110,117,121,122,125,128,129,131,133,134,135,140,141,143,145

%N Complement of A325539.

%C These are the numbers 2x+1 and 3x+2 as x ranges through the numbers x > 1 in A325539.

%H Clark Kimberling, <a href="/A325540/b325540.txt">Table of n, a(n) for n = 1..10000</a>

%t a = {1}; Do[AppendTo[a, NestWhile[# + 1 &, Last[a] + 1,

%t Apply[Or, Map[MemberQ[a, #] &, Select[Flatten[{(# - 1)/2, (# - 2)/3}],

%t IntegerQ]]] &]], {200}]; a (* A325539 *)

%t Complement[Range[Last[a]], a] (* A325540 *)

%t (* _Peter J. C. Moses_, Apr 25 2019 *)

%Y Cf. A325417, A325539.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, May 07 2019

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Last modified June 1 18:31 EDT 2024. Contains 373027 sequences. (Running on oeis4.)