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A142946 Primes congruent to 47 mod 64. 1

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

%S 47,239,367,431,751,1327,1583,2287,2351,2543,2671,2927,3119,3631,3823,

%T 4079,4271,4463,4591,4783,5039,5167,5231,5743,5807,6703,6959,7151,

%U 7727,7919,8111,8431,8623,9007,9199,9391,9839,9967,10159,10223,10607,10799,11119

%N Primes congruent to 47 mod 64.

%H Vincenzo Librandi, <a href="/A142946/b142946.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[1800]], MemberQ[{47}, Mod[#, 64]] &] (* _Vincenzo Librandi_, Sep 07 2012 *)

%t Select[Range[47,12000,64],PrimeQ] (* _Harvey P. Dale_, Jan 05 2016 *)

%o (Magma) [p: p in PrimesUpTo(12000) | p mod 64 eq 47]; // _Vincenzo Librandi_, Sep 07 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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

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Last modified April 21 00:22 EDT 2024. Contains 371850 sequences. (Running on oeis4.)