A154613 Prime p such that 23p + 10 is prime.

3, 11, 17, 29, 41, 47, 53, 59, 101, 113, 131, 167, 173, 179, 227, 239, 251, 269, 281, 383, 431, 449, 461, 479, 503, 509, 557, 563, 593, 641, 647, 677, 719, 743, 773, 797, 809, 827, 887, 911, 929, 953, 971, 977, 983, 1019, 1049, 1061, 1163, 1193, 1217, 1229

Offset: 1

Author

Vincenzo Librandi, Jan 15 2009

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A141914 (Primes congruent to 10 mod 23).

Programs

Magma

[p: p in PrimesUpTo(2000)|IsPrime(23*p+10)]; // Vincenzo Librandi, Jul 31 2012

Maple

a := proc (n) if isprime(n) = true and isprime(23*n+10) = true then n else end if end proc: seq(a(n), n = 1 .. 1400); # Emeric Deutsch, Jan 21 2009

Mathematica

Select[Prime[Range[250]],PrimeQ[23#+10]&]  (* Harvey P. Dale, Feb 25 2011 *)

Extensions

Extended by Emeric Deutsch, Jan 21 2009