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 A139942 #17 Sep 08 2022 08:45:34 %S A139942 2,179,191,239,263,359,443,491,599,659,863,1019,1103,1283,1583,1607, %T A139942 1619,1667,1787,1871,2027,2039,2087,2423,2447,2531,2699,2711,2843, %U A139942 3011,3119,3299,3347,3467,3623,3719,3851,4127,4139,4271,4463,4523 %N A139942 Primes of the form 2x^2+2xy+179y^2. %C A139942 Discriminant=-1428. See A139827 for more information. %H A139942 Vincenzo Librandi and Ray Chandler, <a href="/A139942/b139942.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A139942 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 A139942 The primes are congruent to {2, 155, 179, 191, 239, 263, 359, 407, 443, 491, 599, 611, 659, 695, 767, 851, 863, 995, 1019, 1079, 1103, 1199, 1271, 1283, 1415} (mod 1428). %t A139942 QuadPrimes2[2, -2, 179, 10000] (* see A106856 *) %o A139942 (Magma) [ p: p in PrimesUpTo(6000) | p mod 1428 in [2, 155, 179, 191, 239, 263, 359, 407, 443, 491, 599, 611, 659, 695, 767, 851, 863, 995, 1019, 1079, 1103, 1199, 1271, 1283, 1415]]; // _Vincenzo Librandi_, Aug 02 2012 %K A139942 nonn,easy %O A139942 1,1 %A A139942 _T. D. Noe_, May 02 2008