This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A139914 #17 Sep 08 2022 08:45:34
%S A139914 71,79,151,191,239,359,431,599,631,751,911,919,991,1031,1439,1471,
%T A139914 1759,1831,1871,1999,2039,2111,2311,2591,2671,2711,2879,3119,3271,
%U A139914 3319,3511,3719,4111,4159,4271,4391,4519,4799,4831,4951,4999,5119
%N A139914 Primes of the form 4x^2+4xy+71y^2.
%C A139914 Discriminant=-1120. See A139827 for more information.
%H A139914 Vincenzo Librandi and Ray Chandler, <a href="/A139914/b139914.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A139914 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 A139914 The primes are congruent to {39, 71, 79, 151, 191, 239} (mod 280).
%t A139914 QuadPrimes2[4, -4, 71, 10000] (* see A106856 *)
%o A139914 (Magma) [ p: p in PrimesUpTo(6000) | p mod 280 in [39, 71, 79, 151, 191, 239]]; // _Vincenzo Librandi_, Aug 01 2012
%K A139914 nonn,easy
%O A139914 1,1
%A A139914 _T. D. Noe_, May 02 2008