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 A106974 #17 Aug 05 2014 14:16:29 %S A106974 2,11,23,71,107,179,191,239,347,359,431,443,491,599,659,683,743,827, %T A106974 911,947,1019,1031,1103,1163,1187,1367,1439,1451,1499,1523,1583,1607, %U A106974 1619,1667,1871,2003,2027,2039,2087,2111,2207,2339,2459,2531,2543 %N A106974 Primes of the form 2x^2+2xy+11y^2, with x and y nonnegative. %C A106974 Discriminant=-84. %H A106974 Vincenzo Librandi and Ray Chandler, <a href="/A106974/b106974.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106974 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 A106974 QuadPrimes2[2, 2, 11, 10000] (* see A106856 *) %K A106974 nonn,easy %O A106974 1,1 %A A106974 _T. D. Noe_, May 09 2005