A343180 - OEIS

A343180

Trajectory of 1 under the morphism 1 -> 12, 2 -> 32, 3 -> 14, 4 -> 34.

1, 2, 3, 2, 1, 4, 3, 2, 1, 2, 3, 4, 1, 4, 3, 2, 1, 2, 3, 2, 1, 4, 3, 4, 1, 2, 3, 4, 1, 4, 3, 2, 1, 2, 3, 2, 1, 4, 3, 2, 1, 2, 3, 4, 1, 4, 3, 4, 1, 2, 3, 2, 1, 4, 3, 4, 1, 2, 3, 4, 1, 4, 3, 2, 1, 2, 3, 2, 1, 4, 3, 2, 1, 2, 3, 4, 1, 4, 3, 2, 1, 2, 3, 2, 1, 4, 3, 4, 1, 2, 3, 4, 1, 4, 3

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..94.

J.-P. Allouche and M. Mendes France, Automata and Automatic Sequences, in: Axel F. and Gratias D. (eds), Beyond Quasicrystals. Centre de Physique des Houches, vol 3. Springer, Berlin, Heidelberg, pp. 293-367, 1995; DOI https://doi.org/10.1007/978-3-662-03130-8_11. See page 6.

MAPLE

f(1):= (1, 2): f(2):= (3, 2): f(3) := (1, 4); f(4) := (3, 4); #

A:= [1]:

for i from 1 to 8 do A:= map(f, A) od:

CROSSREFS

A112658 is another version of the same sequence.

Sequence in context: A344092 A118457 A319247 * A129773 A105789 A259579

Adjacent sequences: A343177 A343178 A343179 * A343181 A343182 A343183

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 02 2021

STATUS

approved