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A142603
Primes congruent to 3 mod 55.
1
3, 113, 223, 443, 773, 883, 1103, 1213, 1433, 1543, 1873, 2203, 2423, 2753, 3083, 3413, 3853, 4073, 4513, 4733, 5393, 5503, 6053, 6163, 6823, 7043, 7703, 8363, 8693, 8803, 9133, 9463, 10343, 10453, 11003, 11113, 11443, 12323, 12433, 12653, 12763, 12983
OFFSET
1,1
LINKS
FORMULA
a(n) ~ 40n log n. - Charles R Greathouse IV, Jul 04 2016
MATHEMATICA
Select[Prime[Range[2500]], MemberQ[{3}, Mod[#, 55]] &] (* Vincenzo Librandi, Aug 30 2012 *)
Select[Range[3, 13000, 55], PrimeQ] (* Harvey P. Dale, Dec 16 2019 *)
PROG
(Magma) [p: p in PrimesUpTo(16000) | p mod 55 eq 3]; // Vincenzo Librandi, Aug 30 2012
(PARI) is(n)=isprime(n) && n%55==3 \\ Charles R Greathouse IV, Jul 04 2016
CROSSREFS
Cf. A000040.
Sequence in context: A300814 A075051 A139929 * A350053 A249164 A341047
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jul 11 2008
STATUS
approved