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 A106869 #18 Aug 05 2014 14:16:29 %S A106869 59,101,167,173,223,271,307,317,347,449,463,593,599,607,691,719,809, %T A106869 821,877,883,991,997,1097,1117,1151,1181,1231,1319,1451,1453,1553, %U A106869 1613,1669,1697,1787,1789,1871,1889,1913,2027,2053,2143,2339,2347 %N A106869 Primes of the form x^2+xy+6y^2, with x and y nonnegative. %C A106869 Discriminant=-23. %H A106869 Vincenzo Librandi and Ray Chandler, <a href="/A106869/b106869.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A106869 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 A106869 QuadPrimes2[1, 1, 6, 10000] (* see A106856 *) %Y A106869 Cf. A028929, A106867. %K A106869 nonn,easy %O A106869 1,1 %A A106869 _T. D. Noe_, May 09 2005