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 A033234 #22 Jul 08 2025 19:46:48 %S A033234 53,89,197,293,541,577,653,673,733,857,877,929,941,953,1153,1289,1301, %T A033234 1361,1733,1901,1933,2029,2237,2269,2357,2437,2593,2621,2633,2741, %U A033234 2749,2969,3089,3181,3449,3461 %N A033234 Primes of form x^2+53*y^2. %D A033234 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033234 Vincenzo Librandi and Ray Chandler, <a href="/A033234/b033234.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033234 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 A033234 QuadPrimes2[1, 0, 53, 10000] (* see A106856 *) %K A033234 nonn,easy %O A033234 1,1 %A A033234 _N. J. A. Sloane_