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A214894
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Conway's subprime Fibonacci sequence starting with (10, 18).
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0
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10, 18, 14, 16, 15, 31, 23, 27, 25, 26, 17, 43, 30, 73, 103, 88, 191, 93, 142, 47, 63, 55, 59, 57, 58, 23, 27
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Similar to the Fibonacci recursion starting with (10, 18), but each new nonprime term is divided by its least prime factor. Sequence enters a loop of length 19 after 8 terms on reaching (23, 27).
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LINKS
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MATHEMATICA
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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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