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 A091021 Primes p=prime(k) such that in binary representation k is a substring of p. 1
 2, 11, 13, 47, 127, 131, 139, 167, 227, 229, 419, 421, 8419, 15391, 18503, 23053, 31333, 32119, 642049, 771769, 1240081, 2545453, 2951341, 9677999, 11390809, 22436899, 33056171, 63701437, 71298761, 465462769, 989883217, 1490754379, 1775394377, 1775394389 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) = A000040(A091020(n)), A091020(n) = A049084(a(n)). LINKS EXAMPLE 229 = A000040(50): 50->110010, 229->11100101 = 1'110010'1, therefore 229 is a term. CROSSREFS Cf. A007088, A004676. Sequence in context: A041447 A291464 A262832 * A042563 A041163 A073914 Adjacent sequences:  A091018 A091019 A091020 * A091022 A091023 A091024 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Dec 14 2003 EXTENSIONS a(22)-a(32) from Donovan Johnson, May 03 2010 a(33)-a(34) from Donovan Johnson, May 08 2012 STATUS approved

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Last modified October 1 03:36 EDT 2020. Contains 337441 sequences. (Running on oeis4.)