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 A033231 #22 Jul 08 2025 19:46:26 %S A033231 47,71,127,167,193,233,271,353,409,439,463,487,761,809,857,887,1039, %T A033231 1097,1151,1231,1319,1361,1409,1439,1511,1553,1567,1657,1697,1777, %U A033231 1783,1879,2017,2111,2239,2281,2393 %N A033231 Primes of form x^2+46*y^2. %D A033231 David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989. %H A033231 Vincenzo Librandi and Ray Chandler, <a href="/A033231/b033231.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi] %H A033231 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 A033231 QuadPrimes2[1, 0, 46, 10000] (* see A106856 *) %K A033231 nonn,easy %O A033231 1,1 %A A033231 _N. J. A. Sloane_