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Complement of A325417.
4

%I #6 May 06 2019 21:26:10

%S 2,4,6,10,14,16,18,22,24,25,26,28,30,34,37,38,40,42,46,52,54,58,61,62,

%T 64,66,70,72,78,82,86,88,90,94,96,97,98,100,102,106,109,110,112,114,

%U 118,120,124,126,130,133,134,136,138,142,145,146,148,150,151,152

%N Complement of A325417.

%D These are the numbers 2x and 3x+1 as x ranges through the numbers in A325417.

%H Clark Kimberling, <a href="/A325418/b325418.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[{#/2, (# - 1)/3}],

%t IntegerQ]]] &]], {150}]; a (* A325417 *)

%t Complement[Range[Last[a]], a] (* A325418 *)

%t (* _Peter J. C. Moses_, Apr 23 2019 *)

%Y Cf. A325417.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, Apr 24 2019