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A142415 Primes congruent to 2 mod 49. 1
2, 149, 443, 541, 1031, 1129, 1423, 1619, 1913, 2011, 2207, 3089, 3187, 3677, 4363, 4657, 4951, 5147, 5441, 6029, 6323, 6421, 6911, 7499, 7793, 8087, 8969, 9067, 9851, 9949, 10243, 10733, 10831, 11027, 11321, 11909, 12007, 12203, 12301, 12497, 12791, 12889 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 42n log n. - Charles R Greathouse IV, Jul 03 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{2}, Mod[#, 49]] &] (* Vincenzo Librandi, Aug 27 2012 *)
Select[Range[2, 13000, 49], PrimeQ] (* Harvey P. Dale, May 30 2020 *)
PROG
(Magma) [p: p in PrimesUpTo(16000) | p mod 49 eq 2]; // Vincenzo Librandi, Aug 27 2012
(PARI) is(n)=isprime(n) && n%49==2 \\ Charles R Greathouse IV, Jul 03 2016
CROSSREFS
Cf. A000040.
Sequence in context: A333495 A175974 A062596 * A068987 A273047 A209077
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved

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Last modified May 24 12:09 EDT 2024. Contains 372773 sequences. (Running on oeis4.)