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A138368 Primes of the form k^2 + 12. 1

%I #11 Sep 08 2022 08:45:33

%S 13,37,61,181,373,541,853,1237,1381,1693,1861,2221,3037,3733,7237,

%T 7933,8293,9421,12781,14173,14653,16141,19333,25933,27901,28573,30637,

%U 34981,36493,38821,41221,44533,46237,49741,52453,60037,70237,73453,87037

%N Primes of the form k^2 + 12.

%t Intersection[Table[n^2+12,{n,0,10^2}],Prime[Range[9*10^3]]] ...or... For[i=12,i<=12,a={};Do[If[PrimeQ[n^2+i],AppendTo[a,n^2+i]],{n,0,100}];Print["n^2+",i,",",a];i++ ]

%o (Magma) [ a: n in [0..900] | IsPrime(a) where a is n^2+12] // _Vincenzo Librandi_, Nov 24 2010

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, May 07 2008

%E More terms from _Vincenzo Librandi_, Apr 28 2010

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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)