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A284533
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0-limiting word of the morphism 0->1, 1->0101.
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4
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0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1
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OFFSET
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1
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COMMENTS
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The morphism 0->1, 1-> 0101 has two limiting words. If the number of iterations is even, the 0-word evolves from 0 -> 1 -> 0101 -> 1010110101 -> 0101101011010101011010110101; if the number of iterations is odd, the 1-word evolves from 0 -> 1 -> 0101 -> 1010110101, as in A284588.
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LINKS
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 1}}] &, {0}, 6] (* A284533 *)
Flatten[Position[s, 0]] (* A284534 *)
Flatten[Position[s, 1]] (* A284535 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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