A139527 Numbers n such that numbers 24n+5 are primes.

0, 1, 2, 4, 6, 7, 8, 11, 12, 13, 16, 19, 21, 23, 27, 28, 29, 32, 33, 34, 39, 42, 44, 46, 49, 51, 53, 54, 57, 62, 67, 68, 71, 72, 78, 79, 81, 82, 83, 86, 89, 92, 93, 96, 97, 98, 99, 103, 106, 109, 112, 114, 116, 118, 119, 121, 123, 134, 141, 142, 144, 147, 148, 149, 153, 154

Offset

1,3

Comments

Numbers n such that:

24n+1 is prime see A111174, primes 24n+1 see A107008

24n+5 is prime see A139527, primes 24n+5 see A107003

24n+7 is prime see A139483, primes 24n+7 see A107006

24n+11 is prime A139528, primes 24n+11 see A107007

24n+13 is prime see A139529, primes 24n+13 see A139530

24n+17 is prime see A139531, primes 24n+17 see A107181

24n+19 is prime see A139532, primes 24n+19 see A141373

24n+23 is prime see A131210, primes 24n+23 see A134517

Links

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

Mathematica

a = {}; Do[If[PrimeQ[24 n + 5], AppendTo[a, n]], {n, 0, 200}]; a
Select[Table[(Prime[n]-5)/24, {n, 800}], IntegerQ] (* Harvey P. Dale, Feb 25 2016 *)

Crossrefs

Sequence in context: A030493 A165778 A286066 * A163578 A345918 A269389

Adjacent sequences: A139524 A139525 A139526 * A139528 A139529 A139530

Keyword

nonn

Author

Artur Jasinski, Apr 25 2008

Status

approved