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A142856 Primes congruent to 58 mod 61. 1

%I #13 Sep 08 2022 08:45:37

%S 241,607,1217,1583,1949,2437,2803,3169,3413,3779,4877,4999,6829,7561,

%T 7927,8171,8293,8537,9391,10733,11587,11831,11953,12197,13417,14149,

%U 14759,16223,17077,17321,17443,18541,19273,20249,20981,21347,21713,22079,22567,22811

%N Primes congruent to 58 mod 61.

%H Vincenzo Librandi, <a href="/A142856/b142856.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[5000]],Mod[#,61]==58&] (* _Harvey P. Dale_, Nov 19 2010 *)

%t Select[Prime[Range[2800]], MemberQ[{58}, Mod[#, 61]] &] (* _Vincenzo Librandi_, Sep 05 2012 *)

%o (Magma) [p: p in PrimesUpTo(23000) | p mod 61 eq 58 ] ; // _Vincenzo Librandi_, Sep 05 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 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)