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 A142005 Primes congruent to 1 mod 31. 28
 311, 373, 683, 1117, 1303, 1427, 1489, 1613, 1861, 2357, 2543, 2729, 2791, 3163, 3659, 3907, 4093, 4217, 4651, 5023, 5147, 5209, 5333, 5519, 5581, 5953, 6263, 6449, 6883, 7069, 7193, 7937, 8123, 8681, 8867, 8929, 9239, 9859, 10169, 10789, 11161, 11471, 11657 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Range[1, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 07 2011 *) PROG (MAGMA) [p: p in PrimesUpTo(12000) | p mod 31 eq 1 ]; // Vincenzo Librandi, Aug 17 2012 (PARI) is(n)=isprime(n) && n%31==1 \\ Charles R Greathouse IV, Jul 01 2016 CROSSREFS Cf. A000040, A141977. Sequence in context: A190567 A060339 A046016 * A059225 A157717 A113155 Adjacent sequences:  A142002 A142003 A142004 * A142006 A142007 A142008 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Jul 11 2008 STATUS approved

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Last modified January 16 04:40 EST 2021. Contains 340195 sequences. (Running on oeis4.)