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 A106948 #17 Aug 05 2014 14:16:29 %S A106948 107,293,509,647,739,971,1013,1039,1123,1217,1361,1367,1373,1423,1663, %T A106948 1811,2083,2099,2239,2309,2351,2657,2677,2917,3181,3343,3517,3533, %U A106948 3539,3623,3671,3803,4003,4079,4253,4483,4691,4957,5273,5581,5783 %N A106948 Primes of the form x^2+xy+18y^2, with x and y nonnegative. %C A106948 Discriminant=-71. %H A106948 Vincenzo Librandi and Ray Chandler, <a href="/A106948/b106948.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106948 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 A106948 QuadPrimes2[1, 1, 18, 10000] (* see A106856 *) %K A106948 nonn,easy %O A106948 1,1 %A A106948 _T. D. Noe_, May 09 2005