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 A139879 #19 Sep 08 2022 08:45:34
%S A139879 17,41,89,257,353,521,593,761,857,881,929,1049,1097,1193,1217,1361,
%T A139879 1433,1553,1601,1697,1721,1889,2273,2393,2441,2609,2729,2777,2897,
%U A139879 3041,3209,3449,3617,3881,4049,4073,4217,4241,4289,4409,4457,4721
%N A139879 Primes of the form 12x^2+12xy+17y^2.
%C A139879 Discriminant=-672. See A139827 for more information.
%C A139879 Also primes of the forms 17x^2+10xy+41y^2 and 17x^2+4xy+20y^2. See A140633. - _T. D. Noe_, May 19 2008
%H A139879 Vincenzo Librandi and Ray Chandler, <a href="/A139879/b139879.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A139879 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 A139879 The primes are congruent to {17, 41, 89} (mod 168).
%t A139879 QuadPrimes2[12, -12, 17, 10000] (* see A106856 *)
%o A139879 (Magma) [ p: p in PrimesUpTo(6000) | p mod 168 in {17, 41, 89}]; // _Vincenzo Librandi_, Jul 30 2012
%K A139879 nonn,easy
%O A139879 1,1
%A A139879 _T. D. Noe_, May 02 2008
%E A139879 Corrected and extended b-file - _Ray Chandler_, Jul 31 2014