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 A106905 #17 Aug 05 2014 14:16:29 %S A106905 2,7,11,19,31,47,67,71,83,151,223,227,239,271,307,359,379,383,431,463, %T A106905 479,487,499,587,619,631,643,683,691,739,743,839,863,947,967,983,1019, %U A106905 1051,1087,1151,1163,1259,1279,1307,1319,1367,1399,1423,1451,1471 %N A106905 Primes of the form 2x^2+2xy+7y^2, with x and y nonnegative. %C A106905 Discriminant=-52. %H A106905 Vincenzo Librandi and Ray Chandler, <a href="/A106905/b106905.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106905 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 A106905 QuadPrimes2[2, 2, 7, 10000] (* see A106856 *) %K A106905 nonn,easy %O A106905 1,1 %A A106905 _T. D. Noe_, May 09 2005