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%I #16 Sep 08 2022 08:45:34
%S 5,61,101,181,229,269,349,461,509,661,829,941,1021,1069,1109,1181,
%T 1301,1669,1741,1861,1949,2029,2141,2309,2341,2621,2749,2789,2861,
%U 3181,3461,3541,3701,3709,3821,3989,4021,4261,4549,4861,5101,5309
%N Primes of the form 5x^2+56y^2.
%C Discriminant=-1120. See A139827 for more information.
%H Vincenzo Librandi and Ray Chandler, <a href="/A139915/b139915.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 Except for 5, the primes are congruent to {61, 69, 101, 181, 229, 269} (mod 280).
%t QuadPrimes2[5, 0, 56, 10000] (* see A106856 *)
%o (Magma) [5] cat [ p: p in PrimesUpTo(6000) | p mod 280 in [61, 69, 101, 181, 229, 269]]; // _Vincenzo Librandi_, Aug 01 2012
%K nonn,easy
%O 1,1
%A _T. D. Noe_, May 02 2008