A142800 Primes congruent to 2 mod 61.

2, 307, 673, 1039, 1283, 2137, 2381, 2503, 3967, 4211, 4943, 5309, 5431, 6163, 6529, 7993, 8237, 8969, 9091, 10067, 10433, 10799, 11287, 11897, 12263, 14947, 15313, 15679, 15923, 16411, 17021, 17387, 17509, 18119, 18973, 19583, 19949, 20071, 20681, 21169

Offset

1,1

Links

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

Formula

a(n) ~ 60n log n. - Charles R Greathouse IV, Jul 03 2016

Mathematica

Select[Prime[Range[2800]], MemberQ[{2}, Mod[#, 61]] &] (* Vincenzo Librandi, Sep 04 2012 *)
Select[Range[2, 22000, 61], PrimeQ] (* Harvey P. Dale, May 19 2017 *)

Prog

(Magma) [p: p in PrimesUpTo(22000) | p mod 61 eq 2 ]; // Vincenzo Librandi, Sep 04 2012
(PARI) is(n)=isprime(n) && n%61==2 \\ Charles R Greathouse IV, Jul 03 2016

Crossrefs

Cf. A000040.

Sequence in context: A273198 A359208 A199946 * A115438 A106718 A119779

Adjacent sequences: A142797 A142798 A142799 * A142801 A142802 A142803

Keyword

nonn,easy

Author

N. J. A. Sloane, Jul 11 2008

Status

approved