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 A264353 #7 Nov 17 2015 19:15:45 %S A264353 7,191,121751,977,369857,41903,10447,289,31750313,70217,45911, %T A264353 55814696449,31976153111,760633409,4127,6090942263,114449983, %U A264353 49021742073857,961536627246198743,377247137,825722983360793,569,252098751014159,145746599,16830802006252297,3602441,9204879914229161,21735887654887,305798976086839,3541220927745592511,631,103083370004609,527123470001650790344559393,190027177610417,45407 %N A264353 The y member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for odd D(n) = A263012(n). %C A264353 The corresponding x = x2(n) member is given by A264351(n). %C A264353 See A263012 for details and examples. %F A264353 x2(n)^2 - D(n)*a(n)^2 = 8 with D(n) = A263012(n) and x2(n) = A264351(n), n >= 1. %e A264353 n=5: 3642669^2 - 97*369857^2 = 8. %Y A264353 Cf. A263011, A263012, A264349, A264350, A264351. %K A264353 nonn %O A264353 1,1 %A A264353 _Wolfdieter Lang_, Nov 17 2015