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 A033241 #22 Jul 08 2025 19:47:37 %S A033241 101,269,389,601,641,701,1049,1069,1361,1481,1609,1741,1949,2029,2129, %T A033241 2341,2389,2521,2861,3181,3221,3301,3329,3389,3709,3761,3929,4021, %U A033241 4229,4241,4289,4421,4481,4549 %N A033241 Primes of form x^2+65*y^2. %D A033241 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033241 Vincenzo Librandi and Ray Chandler, <a href="/A033241/b033241.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033241 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 A033241 QuadPrimes2[1, 0, 65, 10000] (* see A106856 *) %K A033241 nonn,easy %O A033241 1,1 %A A033241 _N. J. A. Sloane_