A091021 Primes p=prime(k) such that in binary representation k is a substring of p.

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

Offset

1,1

Comments

a(n) = A000040(A091020(n)), A091020(n) = A049084(a(n)).

Links

Table of n, a(n) for n=1..34.

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