The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

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”).

Other ways to Give

A141997 revision #17

A141997

Primes congruent to 21 mod 29.

79, 137, 311, 601, 659, 1123, 1181, 1297, 1471, 1877, 1993, 2341, 2399, 2689, 3037, 3559, 3617, 3733, 3907, 4139, 4603, 4951, 5009, 5531, 5647, 5821, 5879, 6053, 6343, 6691, 7039, 7213, 7561, 7793, 8431, 8663, 8779, 8837, 9011, 9127, 9533, 9649, 10867, 11273

(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) ~ 28n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Range[21, 20000, 29], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Apr 07 2011 *)

PROG

(Magma) [p: p in PrimesUpTo(12000) | p mod 29 eq 21 ]; // Vincenzo Librandi, Aug 17 2012

(PARI) is(n)=isprime(n) && n%29==21 \\ Charles R Greathouse IV, Jul 03 2016