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A139961 Primes of the form 17x^2+24y^2. 1

%I #16 Sep 08 2022 08:45:34

%S 17,41,113,233,401,449,521,617,641,809,857,881,929,1049,1193,1217,

%T 1289,1433,1553,1601,1697,2081,2153,2273,2417,2441,2657,2777,2897,

%U 2969,3089,3257,3329,3593,3881,4001,4049,4073,4289,4409,4457,4481

%N Primes of the form 17x^2+24y^2.

%C Discriminant=-1632. See A139827 for more information.

%H Vincenzo Librandi and Ray Chandler, <a href="/A139961/b139961.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]

%H N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)

%F The primes are congruent to {17, 41, 65, 113, 209, 233, 329, 377, 401} (mod 408).

%t QuadPrimes2[17, 0, 24, 10000] (* see A106856 *)

%o (Magma) [ p: p in PrimesUpTo(5000) | p mod 408 in [17, 41, 65, 113, 209, 233, 329, 377, 401]]; // _Vincenzo Librandi_, Aug 02 2012

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 02 2008

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Last modified April 18 13:29 EDT 2024. Contains 371780 sequences. (Running on oeis4.)