A142107 Primes congruent to 23 mod 36.

23, 59, 131, 167, 239, 311, 347, 383, 419, 491, 563, 599, 743, 887, 1031, 1103, 1283, 1319, 1427, 1499, 1571, 1607, 1787, 1823, 1931, 2003, 2039, 2111, 2399, 2543, 2579, 2687, 2903, 2939, 3011, 3083, 3119, 3191, 3299, 3371, 3407, 3623, 3659, 3767, 3803, 3911

Offset: 1

Author

N. J. A. Sloane, Jul 11 2008

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A000040.

Programs

Magma

[p: p in PrimesUpTo(5000) | p mod 36 eq 23 ]; // Vincenzo Librandi, Aug 19 2012

Mathematica

Select[Range[23, 20000, 36], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jul 02 2011 *)
Select[Prime[Range[1500]],MemberQ[{23},Mod[#,36]]&] (* Vincenzo Librandi, Aug 19 2012 *)

PARI

select(n->n%36==23,primes(1000)) \\ Charles R Greathouse IV, Jul 02 2011