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 A277745 Trajectory of 1 under repeated application of the morphism 1 -> 1232, 2 -> 1232232, 3 -> 123232. 1
 1, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 3, 2, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This is A275925 put into Dekking's standard form. LINKS F. Michel Dekking, Morphisms, Symbolic Sequences, and Their Standard Forms, Journal of Integer Sequences, Vol. 19 (2016), Article 16.1.1. MAPLE with(ListTools); psi:=proc(S) Flatten(subs( {1=[1, 2, 3, 2], 2=[1, 2, 3, 2, 2, 3, 2], 3=[1, 2, 3, 2, 3, 2]}, S)); end; S:=[1]; for n from 1 to 4 do S:=psi(S): od: S; MATHEMATICA SubstitutionSystem[{1 -> {1, 2, 3, 2}, 2 -> {1, 2, 3, 2, 2, 3, 2}, 3 -> {1, 2, 3, 2, 3, 2}}, {1}, 3] // Last (* Jean-François Alcover, Jan 21 2018 *) CROSSREFS Cf. A275925, A276790. Sequence in context: A324504 A032452 A084199 * A320858 A304111 A030314 Adjacent sequences:  A277742 A277743 A277744 * A277746 A277747 A277748 KEYWORD nonn AUTHOR N. J. A. Sloane, Nov 08 2016 STATUS approved

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Last modified September 16 20:51 EDT 2021. Contains 347473 sequences. (Running on oeis4.)