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A103682 Trajectory of 1 under repeated applications of the morphism 1-> {1,2}, 2->{1,2,3}, 3->{1,1,3} 1
1, 1, 2, 1, 2, 1, 2, 1, 2, 3, 1, 2, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 1, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..105.

Index entries for sequences that are fixed points of mappings

MATHEMATICA

s[1] = {1, 2}; s[2] = {1, 2, 3}; s[3] = {1, 1, 3}; t[a_] := Join[a, Flatten[s /@ a]]; a = t[t[t[t[t[{1}]]]]]

CROSSREFS

Cf. A073058.

Sequence in context: A161285 A235189 A308452 * A023134 A304536 A272863

Adjacent sequences:  A103679 A103680 A103681 * A103683 A103684 A103685

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Mar 26 2005

STATUS

approved

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Last modified September 22 14:26 EDT 2020. Contains 337291 sequences. (Running on oeis4.)