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A248606 Primes p such that (2*p)^3 - 3 is also prime. 0
2, 5, 7, 13, 17, 19, 37, 53, 79, 89, 103, 137, 193, 223, 229, 313, 317, 337, 359, 383, 389, 409, 419, 509, 557, 563, 569, 587, 599, 613, 653, 677, 733, 787, 827, 853, 883, 929, 1013, 1069, 1093, 1123, 1163, 1237, 1249, 1277, 1279, 1303, 1373, 1493 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

EXAMPLE

2 is in this sequence because (2*2)^3 - 3 = 61 where 2 and 61 are both prime.

PROG

(MAGMA) [p: p in PrimesUpTo(1500) | IsPrime((2*p)^3 - 3)];

CROSSREFS

Cf. A000040, A241808.

Sequence in context: A023240 A291284 A023204 * A252801 A270617 A045352

Adjacent sequences:  A248603 A248604 A248605 * A248607 A248608 A248609

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Oct 09 2014

STATUS

approved

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Last modified October 17 10:03 EDT 2019. Contains 328107 sequences. (Running on oeis4.)