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URL: https://oeis.org/history?seq=A273258

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
Write the distinct prime divisors p of n in the (PrimePi(p) - 1)-th place, ignoring multiplicity. Decode the resulting number after first reversing the code, ignoring any leading zeros.
#26 by Susanna Cuyler at Tue Nov 21 21:35:19 EST 2017
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#25 by Antti Karttunen at Tue Nov 21 09:45:49 EST 2017
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#24 by Antti Karttunen at Tue Nov 21 09:22:30 EST 2017
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#23 by Antti Karttunen at Tue Nov 21 09:21:15 EST 2017
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CROSSREFS
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#22 by N. J. A. Sloane at Sun Jun 18 22:04:22 EDT 2017
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#21 by Antti Karttunen at Sun Jun 18 09:20:35 EDT 2017
STATUS
#20 by Antti Karttunen at Sun Jun 18 09:20:09 EDT 2017
PROG
#19 by Antti Karttunen at Sun Jun 18 09:19:38 EDT 2017
LINKS
PROG
#18 by Antti Karttunen at Sun Jun 18 08:56:17 EDT 2017
FORMULA
PROG
#17 by Antti Karttunen at Sun Jun 18 08:52:42 EDT 2017
FORMULA
PROG
CROSSREFS
STATUS