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A325430
Complement of A325429.
5
3, 6, 7, 12, 13, 15, 16, 21, 24, 25, 27, 28, 30, 33, 34, 39, 42, 43, 46, 48, 51, 52, 54, 55, 57, 60, 61, 66, 67, 69, 70, 73, 75, 78, 79, 84, 87, 88, 93, 94, 96, 97, 102, 105, 106, 108, 111, 114, 115, 120, 121, 123, 124, 127, 129, 132, 133, 135, 136, 138, 141
OFFSET
1,1
COMMENTS
These are the numbers 3x and floor(3x/2) as x ranges through the numbers x>1 in A325429.
LINKS
MATHEMATICA
a = {1}; Do[AppendTo[a, NestWhile[# + 1 &, Last[a] + 1, Apply[Or,
Map[MemberQ[a, #] &, Select[Flatten[{#/3,
If[Mod[#, 3] == 0, (2 #)/3, 0] + If[Mod[#, 3] == 1, 1/3 (1 + 2 #), 0]}],
IntegerQ || # == 0]]] &]], {150}]; a (* A325429 *)
Complement[Range[Last[a]], a] (* A325430 *)
(* Peter J. C. Moses, Apr 25 2019 *)
CROSSREFS
Sequence in context: A093906 A332812 A152829 * A104463 A072757 A295897
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 30 2019
STATUS
approved