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 A139860 #17 Sep 08 2022 08:45:34
%S A139860 13,37,157,277,373,397,613,733,757,853,877,997,1093,1117,1213,1237,
%T A139860 1453,1597,1693,1933,2053,2293,2437,2557,2677,2797,2917,3037,3253,
%U A139860 3373,3517,3613,3637,3733,3853,3877,4093,4357,4597,4813,4933,4957
%N A139860 Primes of the form 12x^2+12xy+13y^2.
%C A139860 Discriminant=-480. See A139827 for more information.
%C A139860 Also primes of the forms 13x^2+2xy+37y^2 and 13x^2+4xy+28y^2. See A140633. - _T. D. Noe_, May 19 2008
%H A139860 Vincenzo Librandi and Ray Chandler, <a href="/A139860/b139860.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A139860 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 A139860 The primes are congruent to {13, 37} (mod 120).
%t A139860 QuadPrimes2[12, -12, 13, 10000] (* see A106856 *)
%o A139860 (Magma) [ p: p in PrimesUpTo(6000) | p mod 120 in {13, 37}]; // _Vincenzo Librandi_, Jul 29 2012
%K A139860 nonn,easy
%O A139860 1,1
%A A139860 _T. D. Noe_, May 02 2008
%E A139860 Corrected and extended b-file - _Ray Chandler_, Jul 30 2014