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 A033249 #22 Jul 08 2025 19:48:33 %S A033249 113,317,389,401,653,709,757,977,1093,1373,2069,2137,2293,2333,2381, %T A033249 2753,2797,2909,3061,3221,3257,3301,3557,3613,3677,3733,3833,3917, %U A033249 4057,4229,4349,4481,4621,4673,4789 %N A033249 Primes of form x^2+77*y^2. %D A033249 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033249 Vincenzo Librandi and Ray Chandler, <a href="/A033249/b033249.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033249 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 A033249 QuadPrimes2[1, 0, 77, 10000] (* see A106856 *) %K A033249 nonn,easy %O A033249 1,1 %A A033249 _N. J. A. Sloane_