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A284772
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Fixed point of the morphism 0 -> 01, 1 -> 0010.
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3
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0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0
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OFFSET
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1
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LINKS
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FORMULA
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EXAMPLE
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0 -> 01-> 010010 -> 0100100101001001 -> ...
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MATHEMATICA
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s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 1, 0}}] &, {0}, 6] (* this sequence *)
Flatten[Position[s, 0]] (* A284773 *)
Flatten[Position[s, 1]] (* A284774 *)
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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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