login
Complement of A325440.
5

%I #4 May 02 2019 16:04:03

%S 2,5,7,8,11,17,19,23,25,26,27,29,31,35,38,39,41,43,44,47,53,55,59,62,

%T 63,65,67,71,73,79,83,89,91,95,97,98,99,101,103,107,110,111,113,115,

%U 119,121,125,127,131,134,135,137,139,143,146,147,149,151,152,153

%N Complement of A325440.

%C These are the numbers 2x-1 and 3x-1 as x ranges through the numbers x>1 in A325440.

%H Clark Kimberling, <a href="/A325441/b325441.txt">Table of n, a(n) for n = 1..10000</a>

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

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

%t IntegerQ]]] &]], {150}]; a (* A325440 *)

%t Complement[Range[Last[a]], a] (* A325441 *)

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

%Y Cf. A325417, A325440.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, May 02 2019