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 A159897 #6 Sep 08 2022 08:45:44 %S A159897 1,1,0,2,5,3,2,0,4,6,0,2,8,1,7,5,8,1,9,8,2,1,8,0,9,2,3,2,4,2,4,5,0,8, %T A159897 3,2,9,6,2,6,9,8,5,6,6,0,0,3,7,9,7,7,3,3,9,9,8,1,2,2,4,5,8,2,6,0,2,4, %U A159897 5,8,2,6,4,3,0,3,6,9,7,5,0,6,8,5,7,3,5,6,9,4,5,1,6,2,1,0,1,5,6,2,8,3,5,0,7 %N A159897 Decimal expansion of (843+58*sqrt(2))/839. %C A159897 lim_{n -> infinity} b(n)/b(n-1) = (843+58*sqrt(2))/839 for n mod 3 = {1, 2}, b = A130647. %C A159897 lim_{n -> infinity} b(n)/b(n-1) = (843+58*sqrt(2))/839 for n mod 3 = {0, 2}, b = A159896. %H A159897 G. C. Greubel, <a href="/A159897/b159897.txt">Table of n, a(n) for n = 1..10000</a> %F A159897 Equals (29 +sqrt(2))/(29 -sqrt(2)). %e A159897 (843+58*sqrt(2))/839 = 1.10253204602817581982... %t A159897 RealDigits[(843+58*Sqrt[2])/839, 10, 100][[1]] (* _G. C. Greubel_, May 17 2018 *) %o A159897 (PARI) (843 +58*sqrt(2))/839 \\ _G. C. Greubel_, May 17 2018 %o A159897 (Magma) (843 +58*Sqrt(2))/839; // _G. C. Greubel_, May 17 2018 %Y A159897 Cf. A130647, A159896, A002193 (decimal expansion of sqrt(2)), A159898 (decimal expansion of (1760979+1141390*sqrt(2))/839^2). %K A159897 cons,nonn %O A159897 1,4 %A A159897 _Klaus Brockhaus_, Apr 30 2009