A130736 Primes p such that p+2, p*(p+2) + 12 and p*(p+2) + 14 are also prime.

179, 15269, 32609, 36779, 46439, 50549, 52859, 55619, 65579, 67409, 69149, 104759, 104849, 112289, 128519, 211049, 213359, 223679, 260549, 267899, 287279, 295079, 326939, 333719, 349379, 376469, 407789, 413069, 415949, 433049, 454229, 460949, 482399

Offset

1,1

Links

Table of n, a(n) for n=1..33.

Mathematica

Select[Prime[Range[41000]], AllTrue[{#+2, #(#+2)+12, #(#+2)+14}, PrimeQ]&] (* Harvey P. Dale, Aug 01 2021 *)

Prog

(PARI) isok(n) = isprime(n) && isprime(n+2) && isprime(n*(n+2)+12) && isprime(n*(n+2)+14); \\ Michel Marcus, Aug 09 2013

Crossrefs

Cf. A001359, A130737.

Sequence in context: A177682 A142968 A168537 * A200955 A101995 A293141

Adjacent sequences: A130733 A130734 A130735 * A130737 A130738 A130739

Keyword

nonn

Author

Ray G. Opao, Jul 06 2007

Extensions

More terms from Michel Marcus, Aug 09 2013

Status

approved