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A105498
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Trajectory of 1 under the morphism 1->{1,2}, 2->{1,4}, 3->{3,4}, 4->{3,4}.
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0
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1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3
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OFFSET
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0,2
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COMMENTS
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Dekking's topological Markov sets: characteristic polynomial x*(x^3-3*x^2+x+2).
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LINKS
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F. M. Dekking, Recurrent Sets, Advances in Mathematics, vol. 44, no.1, April 1982, page 100, section 4.16.
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MATHEMATICA
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Flatten[ Nest[ Flatten[ # /. {1 -> {1, 2}, 2 -> {1, 4}, 3 -> {3, 4}, 4 -> {3, 4}} &], {1}, 7]]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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