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A064795
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Home primes in base 2: primes reached when you start with n and (working in base 2) concatenate its prime factors (A048985); repeat until a prime is reached (or -1 if no prime is ever reached).
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0
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1, 10, 11, 11111, 101, 1011, 111, 10110011, 11101, 11111, 1011, 101011, 1101, 10111, 11101, 10111011100111, 10001, 101111, 10011, 11111011, 11111, 101011, 10111, 111110011, 111111111011, 111111111011, 1111111, 111111111011, 11101
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OFFSET
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1,2
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COMMENTS
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a(1) = 1 by convention.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base,easy,changed
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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