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 A339882 #10 Dec 23 2020 06:19:00 %S A339882 1,1,1,3,9,3,27,1,3,9,747,627,153,36321,1,121,699,537,2900979,43, %T A339882 5843427,803,1,59,13809,3,12507,541137,11,563210019,57,28906107,55617, %U A339882 3,499,212279001,11516632737,6633,41281449,33,48957047673,6284900361,369485787,3777 %N A339882 Fundamental positive solution y(n) of the Diophantine equation x^2 - A045339(n)*y^2 = -2, for n >= 1. %C A339882 The corresponding x = x(n) values are given in A339881. %C A339882 The conjecture is that all A045339 entries have solutions. %C A339882 For details and examples [x(n), y(n)] see also A339881. %F A339882 Generalized Pell equation. Fundamental solution a(n), with A339881(n)^2 - A045339(n)*a(n)^2 = -2, for n >= 1. %Y A339882 Cf. A007520, A045339, A339881. %K A339882 nonn %O A339882 1,4 %A A339882 _Wolfdieter Lang_, Dec 22 2020