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A165821 a(n) = the smallest positive integer that, when written in binary, contains both binary n and the binary representation of the n-th prime as substrings. 5
2, 6, 11, 28, 11, 13, 71, 152, 151, 58, 95, 101, 105, 174, 47, 848, 571, 978, 1075, 327, 1173, 719, 1335, 1432, 1561, 1626, 827, 860, 237, 241, 127, 131, 4233, 139, 4501, 1175, 4765, 2467, 167, 1384, 5299, 362, 703, 705, 1581, 1479, 3027, 3568, 227, 229 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A294977(n, A000040(n)). - Rémy Sigrist, Mar 03 2018
CROSSREFS
Sequence in context: A191315 A184884 A275222 * A365046 A296390 A135048
KEYWORD
base,nonn
AUTHOR
Leroy Quet, Sep 28 2009
EXTENSIONS
More terms from Carl R. White, Oct 06 2009
STATUS
approved

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)