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 A106951 #17 Aug 05 2014 14:16:29 %S A106951 3,7,13,37,43,67,73,97,127,193,223,277,283,337,367,373,397,433,457, %T A106951 463,487,523,547,577,607,613,643,727,733,787,823,853,877,883,907,937, %U A106951 967,997,1033,1087,1123,1153,1213,1297,1303,1327,1423,1447,1453,1483 %N A106951 Primes of the form 3x^2+3xy+7y^2, with x and y nonnegative. %C A106951 Discriminant=-75. %H A106951 Vincenzo Librandi and Ray Chandler, <a href="/A106951/b106951.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106951 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 A106951 QuadPrimes2[3, 3, 7, 10000] (* see A106856 *) %K A106951 nonn,easy %O A106951 1,1 %A A106951 _T. D. Noe_, May 09 2005