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 A159590 #8 Sep 08 2022 08:45:44
%S A159590 1,0,9,8,9,4,5,2,2,6,8,8,4,6,1,6,5,9,5,6,8,8,3,0,8,8,2,3,4,4,3,8,5,5,
%T A159590 1,0,5,4,7,2,3,6,1,1,4,9,8,0,2,4,6,8,6,9,0,8,5,8,1,3,0,0,4,9,3,0,8,9,
%U A159590 5,7,6,2,6,6,2,3,3,0,3,3,6,5,6,2,4,7,4,7,4,9,6,7,2,5,6,7,7,6,1,0,6,5,0,4,4
%N A159590 Decimal expansion of (451+30*sqrt(2))/449.
%C A159590 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {1, 2}, b = A130004.
%C A159590 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {0, 2}, b = A159589.
%H A159590 G. C. Greubel, <a href="/A159590/b159590.txt">Table of n, a(n) for n = 1..10000</a>
%F A159590 Equals (30+sqrt(2))/(30-sqrt(2)).
%e A159590 (451+30*sqrt(2))/449 = 1.09894522688461659568...
%t A159590 RealDigits[(451+30*Sqrt[2])/449, 10, 100][[1]] (* _G. C. Greubel_, May 05 2018 *)
%o A159590 (PARI) (451+30*sqrt(2))/449 \\ _G. C. Greubel_, May 05 2018
%o A159590 (Magma) (451+30*Sqrt(2))/449; // _G. C. Greubel_, May 05 2018
%Y A159590 Cf. A130004, A159589, A002193 (decimal expansion of sqrt(2)), A159591 (decimal expansion of (507363+329222*sqrt(2))/449^2).
%K A159590 cons,nonn
%O A159590 1,3
%A A159590 _Klaus Brockhaus_, Apr 17 2009