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A142747 Primes congruent to 20 mod 59. 1

%I #10 Sep 08 2022 08:45:37

%S 79,197,433,787,1259,1613,2203,2557,4091,4327,4799,5153,5507,5743,

%T 5861,6451,6569,7159,7867,8221,8693,8929,9283,10463,11171,12823,12941,

%U 13177,13649,14593,14947,15773,16127,16363,16481,17189,18133,18251,18959,20021

%N Primes congruent to 20 mod 59.

%H Vincenzo Librandi, <a href="/A142747/b142747.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[2300]],Mod[#,59]==20&] (* _Harvey P. Dale_, Mar 16 2011 *)

%t Select[Prime[Range[2500]], MemberQ[{20}, Mod[#, 59]] &] (* _Vincenzo Librandi_, Sep 03 2012 *)

%o (Magma) [p: p in PrimesUpTo(21000) | p mod 59 eq 20 ]; // _Vincenzo Librandi_, Sep 03 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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

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Last modified May 7 18:53 EDT 2024. Contains 372313 sequences. (Running on oeis4.)