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 A106913 #17 Aug 05 2014 14:16:29 %S A106913 59,71,199,229,251,269,311,379,389,509,631,661,691,751,839,929,1049, %T A106913 1061,1171,1181,1279,1321,1409,1439,1499,1571,1609,1699,1721,1741, %U A106913 1901,1951,2029,2069,2269,2341,2399,2531,2621,2671,2729,2819,2971 %N A106913 Primes of the form x^2+xy+14y^2, with x and y nonnegative. %C A106913 Discriminant=-55. %H A106913 Vincenzo Librandi and Ray Chandler, <a href="/A106913/b106913.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106913 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 A106913 QuadPrimes2[1, 1, 14, 10000] (* see A106856 *) %K A106913 nonn,easy %O A106913 1,1 %A A106913 _T. D. Noe_, May 09 2005