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 A033242 #22 Jul 08 2025 19:47:44 %S A033242 67,313,433,619,643,691,883,907,1123,1291,1489,1699,1747,2011,2017, %T A033242 2113,2179,2281,2377,2467,2473,2803,3001,3019,3217,3259,3331,3457, %U A033242 3499,3547,4051,4057,4273,4513,4603 %N A033242 Primes of form x^2+66*y^2. %D A033242 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033242 Vincenzo Librandi and Ray Chandler, <a href="/A033242/b033242.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033242 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 A033242 QuadPrimes2[1, 0, 66, 10000] (* see A106856 *) %K A033242 nonn,easy %O A033242 1,1 %A A033242 _N. J. A. Sloane_