A124853 Numbers k such that 5k + 3 and 3k + 5 are primes.

0, 2, 4, 8, 14, 16, 22, 32, 34, 44, 56, 58, 62, 74, 76, 86, 88, 92, 104, 118, 128, 146, 148, 154, 172, 196, 212, 218, 224, 232, 238, 256, 274, 284, 286, 308, 316, 322, 338, 364, 382, 386, 394, 428, 454, 476, 478, 494, 518, 526, 532, 536, 538, 568, 632, 664, 674

Offset

1,2

Comments

Intersection of A087505 and A088879.

All terms must be even. - Harvey P. Dale, Feb 12 2022

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[0, 700, 2], AllTrue[{5#+3, 3#+5}, PrimeQ]&] (* Harvey P. Dale, Feb 12 2022 *)

Prog

(Magma) [n: n in [0..700] | IsPrime(5*n+3) and IsPrime(3*n+5)] // Vincenzo Librandi, Mar 26 2010

Crossrefs

Cf. A087505, A088879, A124854.

Sequence in context: A143423 A253142 A069049 * A188629 A084621 A248379

Adjacent sequences: A124850 A124851 A124852 * A124854 A124855 A124856

Keyword

nonn

Author

Zak Seidov, Nov 10 2006

Status

approved