A118786 Primes p such that the nearest integer to p * K is prime, where K is Khinchin's constant.

2, 5, 7, 31, 71, 83, 89, 101, 103, 109, 139, 223, 241, 293, 349, 433, 491, 509, 521, 541, 599, 617, 641, 719, 751, 787, 827, 883, 947, 997, 1213, 1291, 1303, 1321, 1367, 1381, 1423, 1531, 1571, 1597, 1747, 1787, 2017, 2027, 2029, 2111, 2129, 2207, 2237, 2341

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

lst={}; Do[p=Prime[n]; If[PrimeQ[Round[p*Khinchin]], AppendTo[lst, p]], {n, 10^3}]; lst

Crossrefs

Sequence in context: A293062 A293063 A215211 * A083777 A056442 A056443

Adjacent sequences: A118783 A118784 A118785 * A118787 A118788 A118789

Keyword

nonn,easy

Author

Vladimir Joseph Stephan Orlovsky, Aug 25 2008

Extensions

Edited by Charles R Greathouse IV, Nov 11 2009

Status

approved