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A093009 Smallest number m such that m is prime iff n is not prime and the binary representation of m equals n with appended trailing 1's. 2
3, 95, 15, 19, 95, 13, 15, 17, 19, 43, 95, 103, 27, 29, 31, 67, 35, 37, 39, 41, 43, 367, 95, 199, 103, 53, 223, 463, 119, 61, 63, 131, 67, 139, 71, 73, 75, 311, 79, 163, 335, 5503, 87, 89, 367, 751, 95, 97, 199, 101, 103, 211, 215, 109, 223, 113, 463, 241663 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = Max{A093007(n), A038699(n)};

n>1: A070939(a(n))=A070939(n)+A093008(n), A000120(a(n))=A000120(n)+A093008(n).

LINKS

Table of n, a(n) for n=1..58.

CROSSREFS

Sequence in context: A142887 A297489 A241752 * A273442 A322460 A249787

Adjacent sequences:  A093006 A093007 A093008 * A093010 A093011 A093012

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 14 2004

STATUS

approved

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Last modified April 23 09:35 EDT 2019. Contains 322385 sequences. (Running on oeis4.)