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A142306 Primes congruent to 31 mod 44. 1
31, 163, 251, 383, 647, 691, 823, 911, 1087, 1307, 1439, 1483, 1571, 1747, 1879, 2011, 2099, 2143, 2539, 2671, 2803, 3023, 3067, 3331, 3463, 3727, 3947, 4079, 4211, 4519, 4651, 4783, 4871, 5003, 5179, 5399, 5443, 5531, 5839, 5927, 6323, 6367, 6719, 6763 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 20n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{31}, Mod[#, 44]]&] (* Vincenzo Librandi, Aug 25 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(8000) | p mod 44 eq 31]; // Vincenzo Librandi, Aug 25 2012
(PARI) is(n)=isprime(n) && n%44==31 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A157373 A058285 A268258 * A296114 A184497 A184489
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved

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Last modified April 17 11:20 EDT 2024. Contains 371763 sequences. (Running on oeis4.)