A136071 Primes of the form 5*p + 4 with p prime.

19, 29, 59, 89, 149, 239, 269, 359, 419, 449, 509, 569, 659, 839, 1259, 1289, 1319, 1409, 1559, 1949, 2099, 2309, 2339, 2399, 2459, 2549, 2609, 2789, 2819, 2939, 2969, 2999, 3089, 3209, 3299, 3389, 3719, 3989, 4049, 4139, 4289, 4409, 4649, 4889, 4919

Offset

1,1

Comments

For smallest primes of the form (2n+1)p + 2n see A136026. For primes of the form 3*p + 2 see A094524.

Links

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

Mathematica

n = 2; a = {}; Do[If[PrimeQ[(Prime[k] - 2n)/(2n + 1)], AppendTo[a, Prime[k]]], {k, 1, 1500}]; a

Crossrefs

Cf. A023208, A094524, A136019, A136020, A136026, A136027, A136072, A136073, A136074, A136075, A136076, A136077, A136078, A136079, A136080.

Sequence in context: A090148 A348561 A287313 * A088998 A181606 A139886

Adjacent sequences: A136068 A136069 A136070 * A136072 A136073 A136074

Keyword

nonn

Author

Artur Jasinski, Dec 12 2007

Extensions

Name changed by Sean A. Irvine, Apr 27 2026

Status

approved