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 A159691 #10 Sep 08 2022 08:45:44 %S A159691 1,0,6,9,6,9,0,0,9,0,3,7,4,1,9,9,7,6,3,9,6,1,0,3,3,9,6,8,6,9,1,0,4,1, %T A159691 2,2,5,0,8,5,0,4,6,7,8,6,3,4,0,3,3,1,2,3,6,1,7,8,6,8,3,9,3,7,5,6,5,9, %U A159691 6,0,0,0,4,6,4,8,5,9,0,8,0,0,9,4,4,0,5,9,3,3,7,6,1,8,3,4,3,8,6,6,1,2,3,5,7 %N A159691 Decimal expansion of (883 + 42*sqrt(2))/881. %C A159691 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {1, 2}, b = A130014. %C A159691 Equals lim_{n -> infinity} b(n)/b(n-1) for n mod 3 = {0, 2}, b = A159690. %H A159691 G. C. Greubel, <a href="/A159691/b159691.txt">Table of n, a(n) for n = 1..10000</a> %F A159691 Equals (42 + sqrt(2))/(42 - sqrt(2)). %e A159691 (883 + 42*sqrt(2))/881 = 1.06969009037419976396... %t A159691 RealDigits[(883+42*Sqrt[2])/881, 10, 100][[1]] (* _G. C. Greubel_, May 10 2018 *) %o A159691 (PARI) (883+42*sqrt(2))/881 \\ _G. C. Greubel_, May 10 2018 %o A159691 (Magma) (883+42*Sqrt(2))/881; // _G. C. Greubel_, May 10 2018 %Y A159691 Cf. A130014, A159690, A002193 (decimal expansion of sqrt(2)), A159692 (decimal expansion of (2052963+1343918*sqrt(2))/881^2). %K A159691 cons,nonn %O A159691 1,3 %A A159691 _Klaus Brockhaus_, Apr 21 2009