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A142216 Primes congruent to 19 mod 41. 4
19, 101, 347, 593, 757, 839, 1249, 1741, 1823, 1987, 2069, 2971, 3217, 3299, 3463, 3709, 4201, 4283, 4447, 5021, 5431, 5923, 6661, 6907, 7481, 7727, 8219, 8629, 9203, 9613, 9859, 9941, 10433, 10597, 11171, 11827, 11909, 12073, 12401, 12647, 12893, 13877 (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) ~ 40n log n. - Charles R Greathouse IV, Jul 02 2016

MATHEMATICA

Select[Range[19, 30000, 41], PrimeQ] (* Vladimir Joseph Stephan Orlovsky, Jun 03 2011 *)

Select[Prime[Range[5000]], MemberQ[{19}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(16000) | p mod 41 eq 19 ]; // Vincenzo Librandi, Aug 23 2012

(PARI) is(n)=isprime(n) && n%41==19 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040, A144562. - Vincenzo Librandi, Jan 17 2009

Sequence in context: A044270 A044651 A287303 * A027005 A061696 A062643

Adjacent sequences:  A142213 A142214 A142215 * A142217 A142218 A142219

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified May 20 09:27 EDT 2022. Contains 353871 sequences. (Running on oeis4.)