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 A139867 #19 Sep 08 2022 08:45:34
%S A139867 2,83,107,167,227,263,347,503,563,743,827,887,1163,1187,1223,1283,
%T A139867 1427,1487,1583,1667,1823,1847,2063,2087,2207,2243,2543,2903,3167,
%U A139867 3203,3407,3467,3527,3803,3863,3923,4127,4463,4523,4583,4703,4787
%N A139867 Primes of the form 2x^2 + 2xy + 83y^2.
%C A139867 Discriminant = -660. See A139827 for more information.
%H A139867 Vincenzo Librandi and Ray Chandler, <a href="/A139867/b139867.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A139867 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 A139867 The primes are congruent to {2, 83, 107, 167, 227, 263, 347, 503, 527, 563, 623} (mod 660).
%t A139867 QuadPrimes2[2, -2, 83, 10000] (* see A106856 *)
%o A139867 (Magma) [ p: p in PrimesUpTo(5000) | p mod 660 in {2, 83, 107, 167, 227, 263, 347, 503, 527, 563, 623}]; // _Vincenzo Librandi_, Jul 30 2012
%K A139867 nonn,easy
%O A139867 1,1
%A A139867 _T. D. Noe_, May 02 2008