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 A107013 #17 Aug 05 2014 14:16:30 %S A107013 31,37,67,97,103,157,163,181,199,223,229,313,331,367,379,397,421,433, %T A107013 463,487,499,577,619,631,643,661,691,709,727,751,757,823,829,859,883, %U A107013 907,991,1021,1039,1087,1093,1123,1153,1171,1213,1237,1279,1291,1303 %N A107013 Primes of the form x^2-xy+25y^2, with x and y nonnegative. %C A107013 Discriminant=-99. %H A107013 Vincenzo Librandi and Ray Chandler, <a href="/A107013/b107013.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A107013 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) %t A107013 QuadPrimes2[1, -1, 25, 10000] (* see A106856 *) %K A107013 nonn,easy %O A107013 1,1 %A A107013 _T. D. Noe_, May 09 2005