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A308898
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Fixed point of the morphism 0 -> 01, 1 -> 2, 2 -> 3, 3 -> 012.
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2
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0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 0
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OFFSET
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0,3
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COMMENTS
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This is superficially similar to A014587, although the latter sequence is not well understood. - N. J. A. Sloane, Jul 28 2019
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LINKS
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MATHEMATICA
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Nest[Flatten[ReplaceAll[#, {0->{0, 1}, 1->2, 2->3, 3->{0, 1, 2}}]]&, {0}, 10] (* Paolo Xausa, Nov 09 2023 *)
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PROG
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(PARI) M = [[1, 2], [3], [4], [1, 2, 3]]; s = [1]; for (k=1, 100, while (k>#s, s=concat(apply(d -> M[d], s))); print1 (s[k]-1 ", ")); \\ Rémy Sigrist, Jul 25 2019
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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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