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A051653 Primes p such that 2310*p + 1 is also prime. 1
2, 5, 11, 19, 47, 71, 73, 97, 109, 113, 137, 139, 151, 163, 167, 199, 229, 239, 263, 271, 311, 313, 317, 331, 347, 353, 379, 431, 433, 457, 461, 479, 503, 509, 523, 593, 599, 613, 617, 691, 701, 727, 761, 797, 811, 823, 853, 863, 883, 929, 937, 941, 947, 953 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

p=2 and 2310*p + 1 = 4621 are both primes.

MATHEMATICA

Select[Prime[Range[200]], PrimeQ[2310#+1]&] (* Harvey P. Dale, Oct 14 2014 *)

CROSSREFS

Cf. A005384, A002110, A005385.

Sequence in context: A166164 A097008 A276591 * A106015 A178316 A179632

Adjacent sequences:  A051650 A051651 A051652 * A051654 A051655 A051656

KEYWORD

nonn

AUTHOR

Labos Elemer

STATUS

approved

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Last modified September 20 01:58 EDT 2019. Contains 327207 sequences. (Running on oeis4.)