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A118786
Primes p such that the nearest integer to p * K is prime, where K is Khinchin's constant.
2
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
MATHEMATICA
lst={}; Do[p=Prime[n]; If[PrimeQ[Round[p*Khinchin]], AppendTo[lst, p]], {n, 10^3}]; lst
Select[Prime[Range[350]], PrimeQ[Round[Khinchin*#]]&] (* Harvey P. Dale, Oct 17 2024 *)
CROSSREFS
Sequence in context: A293062 A293063 A215211 * A083777 A056442 A056443
KEYWORD
nonn,easy,changed
AUTHOR
EXTENSIONS
Edited by Charles R Greathouse IV, Nov 11 2009
STATUS
approved