login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A142548
Primes congruent to 18 mod 53.
1
71, 283, 389, 601, 919, 1237, 1873, 1979, 2297, 3251, 3463, 4099, 4523, 5477, 5689, 6007, 6113, 6961, 7703, 8233, 9187, 9293, 9929, 10141, 10247, 10459, 10883, 11519, 11731, 12049, 12473, 12791, 13003, 13109, 14593, 14699, 15017, 15971, 16183, 16607, 17137
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 52n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2600]], MemberQ[{18}, Mod[#, 53]] &] (* Vincenzo Librandi, Aug 29 2012 *)
Select[Range[18, 18000, 53], PrimeQ] (* Harvey P. Dale, Aug 23 2019 *)
PROG
(Magma) [p: p in PrimesUpTo(20000) | p mod 53 eq 18]; // Vincenzo Librandi, Aug 29 2012
(PARI) is(n)=isprime(n) && n%53==18 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A114992 A158734 A126021 * A158738 A142143 A142739
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved