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 A106953 #17 Aug 05 2014 14:16:29 %S A106953 5,11,47,73,139,191,229,263,277,283,347,349,457,461,541,613,631,719, %T A106953 727,757,821,881,883,1013,1049,1061,1087,1103,1201,1223,1303,1451, %U A106953 1483,1487,1493,1531,1567,1583,1601,1621,1697,1733,1759,1811,1847 %N A106953 Primes of the form 4x^2+2xy+5y^2, with x and y nonnegative. %C A106953 Discriminant=-76. %H A106953 Vincenzo Librandi and Ray Chandler, <a href="/A106953/b106953.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106953 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 A106953 QuadPrimes2[4, 2, 5, 10000] (* see A106856 *) %K A106953 nonn,easy %O A106953 1,1 %A A106953 _T. D. Noe_, May 09 2005