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 A139899 #17 Sep 08 2022 08:45:34
%S A139899 5,53,173,197,293,317,557,653,677,773,797,1013,1277,1373,1493,1613,
%T A139899 1637,1733,1877,1973,1997,2213,2237,2333,2357,2477,2693,2837,2957,
%U A139899 3413,3533,3557,3677,3797,3917,4013,4133,4157,4253,4373,4397,4493
%N A139899 Primes of the form 5x^2+48y^2.
%C A139899 Discriminant=-960. See A139827 for more information.
%H A139899 Vincenzo Librandi and Ray Chandler, <a href="/A139899/b139899.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
%H A139899 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 A139899 Except for 5, the primes are congruent to {53, 77} (mod 120).
%t A139899 QuadPrimes2[5, 0, 48, 10000] (* see A106856 *)
%o A139899 (Magma) [5] cat [ p: p in PrimesUpTo(6000) | p mod 120 in [53, 77]]; // _Vincenzo Librandi_, Jul 31 2012
%K A139899 nonn,easy
%O A139899 1,1
%A A139899 _T. D. Noe_, May 02 2008