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A142034 Primes congruent to 30 mod 31. 1
61, 433, 557, 619, 743, 929, 991, 1301, 1487, 1549, 2293, 2417, 2789, 2851, 3037, 3347, 3533, 3719, 3967, 4091, 4153, 4339, 4463, 4649, 5021, 5393, 5641, 5827, 6199, 6323, 6571, 7129, 7253, 7687, 7873, 8059, 8369, 8431, 8741, 8803, 9547, 9733, 9857, 10477 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) ~ 30n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Range[30, 20000, 31], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 30 2011 *)

PROG

(MAGMA) [p: p in PrimesUpTo(12000) | p mod 31 eq 30 ]; // Vincenzo Librandi, Aug 18 2012

(PARI) is(n)=isprime(n) && n%31==30 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040, A142005, A142006, A142033.

Sequence in context: A305019 A316683 A264845 * A167445 A302531 A061002

Adjacent sequences:  A142031 A142032 A142033 * A142035 A142036 A142037

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)