A142953 - OEIS

%I #13 Jul 13 2023 15:53:33

%S 61,317,509,701,829,1021,1213,1277,1597,1789,2237,2557,2621,2749,3389,

%T 3517,3581,3709,4093,4157,4349,4733,4861,5309,5437,5501,5693,5821,

%U 6269,6397,6653,6781,7229,7549,7741,7933,8317,8573,8893,9277,9341,9533,9661,10301

%N Primes congruent to 61 mod 64.

%H Vincenzo Librandi, <a href="/A142953/b142953.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[1700]], MemberQ[{61}, Mod[#, 64]] &] (* _Vincenzo Librandi_, Sep 07 2012 *)

%t Select[Range[61,11000,64],PrimeQ] (* _Harvey P. Dale_, Jul 13 2023 *)

%o (Magma) [p: p in PrimesUpTo(11000) | p mod 64 eq 61]; // _Vincenzo Librandi_, Sep 07 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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