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A142051 Primes congruent to 4 mod 33. 1
37, 103, 367, 433, 499, 631, 829, 1093, 1291, 1423, 1489, 1621, 1753, 1951, 2017, 2083, 2281, 2347, 2677, 3271, 3469, 3733, 3931, 4129, 4261, 4327, 4591, 4657, 4723, 4789, 4987, 5119, 5449, 5581, 5647, 5779, 6043, 6373, 6571, 6637, 6703, 6967, 7297, 7561 (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) ~ 20n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Range[4, 20000, 33], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 25 2011 *)

Select[Prime[Range[3000]], MemberQ[{4}, Mod[#, 33]]&] (* Vincenzo Librandi, Aug 18 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(8000) | p mod 33 eq 4 ]; // Vincenzo Librandi, Aug 18 2012

(PARI) is(n)=isprime(n) && n%33==4 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A090496 A005107 A139934 * A282852 A171833 A257117

Adjacent sequences:  A142048 A142049 A142050 * A142052 A142053 A142054

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 26 19:44 EDT 2019. Contains 323597 sequences. (Running on oeis4.)