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 A160091 #8 Sep 08 2022 08:45:44
%S A160091 1,2,8,5,1,4,9,0,0,4,1,5,1,2,4,0,2,3,7,2,1,9,2,8,3,3,9,1,6,8,6,0,9,7,
%T A160091 0,1,9,3,5,6,9,5,3,4,8,2,0,5,3,5,1,2,6,5,9,8,6,6,4,6,9,8,3,0,0,0,8,8,
%U A160091 8,3,5,0,2,2,9,0,2,1,9,5,3,9,4,7,7,5,7,3,8,6,3,7,9,8,6,2,8,1,9,0,5,4,3,0,0
%N A160091 Decimal expansion of (587+102*sqrt(2))/569.
%C A160091 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {1, 2}, b = A101152.
%C A160091 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {0, 2}, b = A160090.
%H A160091 G. C. Greubel, <a href="/A160091/b160091.txt">Table of n, a(n) for n = 1..10000</a>
%F A160091 Equals (34+3*sqrt(2))/(34-3*sqrt(2)).
%e A160091 (587+102*sqrt(2))/569 = 1.28514900415124023721...
%t A160091 RealDigits[(587+102*Sqrt[2])/569, 10, 100][[1]] (* _G. C. Greubel_, Apr 15 2018 *)
%o A160091 (PARI) (587+102*sqrt(2))/569 \\ _G. C. Greubel_, Apr 15 2018
%o A160091 (Magma) (587+102*Sqrt(2))/569; // _G. C. Greubel_, Apr 15 2018
%Y A160091 Cf. A101152, A160090, A002193 (decimal expansion of sqrt(2)), A160092 (decimal expansion of (617139+371510*sqrt(2))/569^2).
%K A160091 cons,nonn
%O A160091 1,2
%A A160091 _Klaus Brockhaus_, May 04 2009