A142436 Primes congruent to 26 mod 49.

173, 271, 467, 761, 859, 1153, 1447, 1741, 2819, 2917, 3407, 3701, 4093, 4289, 4583, 4877, 5171, 5563, 5857, 6053, 6151, 7229, 7523, 7621, 7817, 8111, 8209, 8699, 9091, 9679, 9973, 10169, 10267, 10463, 11149, 11443, 11933, 12227, 12619, 13109, 13697

Offset

1,1

Links

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

Formula

a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2500]], MemberQ[{26}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 28 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(17000) | p mod 49 eq 26]; // Vincenzo Librandi, Aug 28 2012
(PARI) is(n)=isprime(n) && n%49==26 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A140002 A178652 A119567 * A322842 A063645 A142607

Adjacent sequences: A142433 A142434 A142435 * A142437 A142438 A142439

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved