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 A033214 #27 Jul 08 2025 19:44:33 %S A033214 19,23,83,101,157,163,197,271,313,353,367,419,479,491,503,571,593,619, %T A033214 701,709,733,853,919,929,947,967,1031,1033,1051,1151,1187,1213,1217, %U A033214 1259,1297,1301,1327,1499,1543 %N A033214 Primes of form x^2+19*y^2. %D A033214 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033214 Vincenzo Librandi and Ray Chandler, <a href="/A033214/b033214.txt">Table of n, a(n) for n = 1..10000</a> [First 2000 terms from Vincenzo Librandi] %H A033214 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 A033214 QuadPrimes2[1, 0, 19, 10000] (* see A106856 *) %K A033214 nonn,easy %O A033214 1,1 %A A033214 _N. J. A. Sloane_