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 A106990 #17 Aug 05 2014 14:16:30 %S A106990 5,199,251,491,709,739,929,1151,1201,1289,1429,1451,1621,2039,2129, %T A106990 2281,2341,2551,2591,2819,3019,3329,3539,3581,3919,4091,4519,4831, %U A106990 4861,4889,4919,5179,5381,5431,5521,5749,5861,6091,6659,6661,7069 %N A106990 Primes of the form 5x^2+5xy+6y^2, with x and y nonnegative. %C A106990 Discriminant=-95. %H A106990 Vincenzo Librandi and Ray Chandler, <a href="/A106990/b106990.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106990 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 A106990 QuadPrimes2[5, 5, 6, 10000] (* see A106856 *) %K A106990 nonn,easy %O A106990 1,1 %A A106990 _T. D. Noe_, May 09 2005