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 A325523 Difference sequence of A325430. 3
 3, 1, 5, 1, 2, 1, 5, 3, 1, 2, 1, 2, 3, 1, 5, 3, 1, 3, 2, 3, 1, 2, 1, 2, 3, 1, 5, 1, 2, 1, 3, 2, 3, 1, 5, 3, 1, 5, 1, 2, 1, 5, 3, 1, 2, 3, 3, 1, 5, 1, 2, 1, 3, 2, 3, 1, 2, 1, 2, 3, 1, 5, 1, 2, 1, 3, 2, 3, 1, 3, 2, 3, 1, 5, 1, 2, 1, 5, 3, 1, 2, 3, 3, 1, 5, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS See A325417 for a guide to related sequences. Conjecture: every term is in {1,2,3,5}. LINKS Clark Kimberling, Table of n, a(n) for n = 1..10000 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]]] &]], {20000}]; a ; (* A325429 *) c = Complement[Range[Last[a]], a] ; (* A325430 *) Differences[a] (* A325522 *) Differences[c] (* A325523 *) (* Peter J. C. Moses, Apr 23 2019 *) CROSSREFS Cf. A325417, A325430, A325522. Sequence in context: A227507 A134700 A085407 * A352483 A016475 A037227 Adjacent sequences: A325520 A325521 A325522 * A325524 A325525 A325526 KEYWORD nonn,easy AUTHOR Clark Kimberling, May 06 2019 STATUS approved

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Last modified August 12 12:08 EDT 2024. Contains 375092 sequences. (Running on oeis4.)