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 A033251 #24 Jul 08 2025 19:48:48 %S A033251 79,83,179,223,317,397,479,541,563,677,727,757,811,863,907,941,967, %T A033251 1103,1277,1289,1433,1489,1523,1553,1867,1889,1979,1993,1997,2011, %U A033251 2039,2311,2341,2383,2459,2551,2579 %N A033251 Primes of form x^2+79*y^2. %C A033251 Also primes of the form x^2-xy+20y^2 with x and y nonnegative. - _T. D. Noe_, May 08 2005 %D A033251 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033251 Vincenzo Librandi and Ray Chandler, <a href="/A033251/b033251.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033251 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 A033251 QuadPrimes2[1, 0, 79, 10000] (* see A106856 *) %K A033251 nonn,easy %O A033251 1,1 %A A033251 _N. J. A. Sloane_