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A139534 Numbers k such that numbers 24*k + 17 and 24*k + 19 are twin primes. 2
0, 1, 5, 11, 21, 23, 25, 26, 33, 35, 36, 43, 53, 61, 70, 71, 86, 88, 110, 113, 116, 123, 135, 138, 163, 166, 168, 175, 176, 180, 186, 193, 196, 208, 225, 226, 235, 243, 253, 268, 273, 278, 281, 310, 333, 355, 373, 376, 386, 410, 413, 435, 438, 453, 455, 460, 478 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

a = {}; Do[If[PrimeQ[24 n + 17] && PrimeQ[24 n + 19], AppendTo[a, n]], {n, 0, 2000}]; a

PROG

(MAGMA) [k:k in [0..500]|IsPrime(24*k + 17) and IsPrime(24*k + 19)]; // Marius A. Burtea, Dec 31 2019

CROSSREFS

Cf. A137920, A139404, A139533.

Sequence in context: A118375 A225376 A099400 * A245773 A166480 A164096

Adjacent sequences:  A139531 A139532 A139533 * A139535 A139536 A139537

KEYWORD

nonn

AUTHOR

Artur Jasinski, Apr 25 2008

STATUS

approved

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Last modified January 27 10:50 EST 2021. Contains 340465 sequences. (Running on oeis4.)