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 A002480 M0683 N0252 #25 Feb 18 2024 23:35:50 %S A002480 0,2,3,5,8,11,12,14,18,20,21,27,29,30,32,35,44,45,48,50,53,56,59,62, %T A002480 66,72,75,77,80,83,84,93,98,99,101,107,108,110,116,120,125,126,128, %U A002480 131,140,146,147,149,155,158,162 %N A002480 Numbers of the form 2x^2 + 3y^2. %D A002480 L. Euler, (E388) Vollstaendige Anleitung zur Algebra, Zweiter Theil, reprinted in: Opera Omnia. Teubner, Leipzig, 1911, Series (1), Vol. 1, p. 425. %D A002480 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002480 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002480 Peter Munn, <a href="/A002480/b002480.txt">Table of n, a(n) for n = 1..252</a> (based on A108563 b-file) %H A002480 L. Euler, <a href="http://www.mathematik.uni-bielefeld.de/~sieben/euler/euler_2.djvu">Vollstaendige Anleitung zur Algebra, Zweiter Teil</a>. %H A002480 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) %Y A002480 For primes see A084865. %Y A002480 Cf. A000075 (growth), A002481, A108563. %K A002480 nonn %O A002480 1,2 %A A002480 _N. J. A. Sloane_, _Mira Bernstein_