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A142206 Primes congruent to 9 mod 41. 2
173, 337, 419, 829, 911, 1321, 1567, 2141, 2551, 2633, 2797, 2879, 3371, 3617, 3863, 4027, 4273, 4519, 5011, 5503, 5749, 6323, 6569, 6733, 7307, 7717, 7963, 8209, 8291, 8537, 8783, 9029, 9439, 9521, 9767, 9931, 10177, 10259, 11161, 11243, 11489, 11981 (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[Prime[Range[1500]], Mod[#, 41]==9&]  (* Harvey P. Dale, Apr 22 2011 *)

Select[Prime[Range[5000]], MemberQ[{9}, Mod[#, 41]]&] (* Vincenzo Librandi, Aug 23 2012 *)

Select[Range[9, 12000, 41], PrimeQ] (* Harvey P. Dale, Mar 12 2014 *)

PROG

(MAGMA) [p: p in PrimesUpTo(15000) | p mod 41 eq 9 ]; // Vincenzo Librandi, Aug 23 2012

(PARI) is(n)=isprime(n) && n%41==9 \\ Charles R Greathouse IV, Jul 02 2016

CROSSREFS

Cf. A000040, A059236, A142199, A142200, A142205.

Sequence in context: A142607 A241045 A241046 * A142004 A047986 A096703

Adjacent sequences:  A142203 A142204 A142205 * A142207 A142208 A142209

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified April 9 10:52 EDT 2020. Contains 333348 sequences. (Running on oeis4.)