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Primes congruent to 47 mod 55.
1

%I #9 Sep 08 2022 08:45:37

%S 47,157,487,1367,1697,2027,2137,2357,2467,2687,2797,3347,3457,3677,

%T 4007,4337,4447,5107,5437,5657,5987,6317,6427,6977,7307,7417,8297,

%U 8627,8737,9067,9397,10607,10937,11047,11597,11927,12037,12697,12917,13577,13687

%N Primes congruent to 47 mod 55.

%H Vincenzo Librandi, <a href="/A142634/b142634.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[2300]], MemberQ[{47}, Mod[#, 55]] &] (* _Vincenzo Librandi_, Sep 01 2012 *)

%t Select[Range[47,14000,55],PrimeQ] (* _Harvey P. Dale_, Jul 14 2019 *)

%o (Magma) [p: p in PrimesUpTo(14000) | p mod 55 eq 47]; // _Vincenzo Librandi_, Sep 01 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008