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

Author

Artur Jasinski, Apr 25 2008

Keywords

• nonn

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

Programs

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 *)