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A142416 Primes congruent to 3 mod 49. 1
3, 101, 199, 787, 983, 1277, 1571, 1669, 2551, 3041, 3433, 3727, 3923, 4021, 4217, 4903, 5099, 5197, 5393, 5981, 6079, 6373, 6569, 6863, 6961, 7451, 7549, 8039, 8431, 8627, 9803, 9901, 10391, 10979, 11273, 11959, 12253, 12547, 12743, 12841, 13037, 13331 (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) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[2500]], MemberQ[{3}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 27 2012 *)

Select[Range[3, 14000, 98], PrimeQ] (* Harvey P. Dale, Jan 16 2013 *)

PROG

(MAGMA) [p: p in PrimesUpTo(16000) | p mod 49 eq 3]; // Vincenzo Librandi, Aug 27 2012

(PARI) is(n)=isprime(n) && n%49==3 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A128296 A037114 A069457 * A110625 A108220 A130733

Adjacent sequences:  A142413 A142414 A142415 * A142417 A142418 A142419

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified June 5 08:21 EDT 2020. Contains 334829 sequences. (Running on oeis4.)