A140846 Primes of the form 210k + 31.

31, 241, 661, 1291, 2131, 2341, 2551, 2971, 3181, 3391, 4021, 4231, 4441, 4651, 4861, 5281, 5701, 6121, 6961, 7591, 8011, 8221, 8431, 8641, 9901, 10111, 10321, 10531, 11161, 12211, 12421, 12841, 13681, 14731, 15361, 15991, 16411, 16831, 17041

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

Select[31+210Range[0, 150], PrimeQ] (* Ray Chandler, Apr 29 2010 *)

Prog

(Magma) [ a: n in [0..900] | IsPrime(a) where a is 210*n+31] // Vincenzo Librandi, Nov 24 2010

Crossrefs

Cf. A073102.

Sequence in context: A075932 A161747 A059899 * A082544 A173832 A272162

Adjacent sequences: A140843 A140844 A140845 * A140847 A140848 A140849

Keyword

nonn

Author

Juri-Stepan Gerasimov, Jul 04 2008

Extensions

Extended by Ray Chandler, Apr 29 2010

More terms from Vincenzo Librandi, Apr 28 2010

Status

approved