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A049490 a(n) and a(n)+64 both prime. 4
3, 7, 19, 37, 43, 67, 73, 103, 109, 127, 163, 193, 199, 229, 283, 337, 367, 379, 397, 439, 457, 499, 523, 577, 613, 619, 709, 733, 757, 823, 877, 883, 907, 919, 967, 997, 1033, 1039, 1087, 1117, 1123, 1129, 1153, 1213, 1237, 1297, 1303, 1423, 1429, 1447 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1000

EXAMPLE

19 and 19+64=83 both prime.

MATHEMATICA

Select[Prime[Range[300]], PrimeQ[#+64]&] (* Harvey P. Dale, Mar 21 2011 *)

PROG

(PARI) select(p -> isprime(p+64), primes(1000)) \\ Edward Jiang, Sep 05 2014

CROSSREFS

Cf. A001359, A023200, A023202.

Sequence in context: A113916 A227502 A268065 * A112391 A127928 A298125

Adjacent sequences:  A049487 A049488 A049489 * A049491 A049492 A049493

KEYWORD

nonn

AUTHOR

Labos Elemer

STATUS

approved

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Last modified June 16 19:05 EDT 2021. Contains 345068 sequences. (Running on oeis4.)