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 A138531 #14 Feb 11 2025 12:17:17 %S A138531 9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3, %T A138531 2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5, %U A138531 4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1,9,8,7,6,5,4,3,2,1 %N A138531 Decimal expansion of 109739369/111111111. %H A138531 G. C. Greubel, <a href="/A138531/b138531.txt">Table of n, a(n) for n = 0..5000</a> %H A138531 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,1). %e A138531 .98765432198765432198765432198765432198765432198765432198765... %t A138531 RealDigits[109739369/111111111, 10, 50][[1]] (* _G. C. Greubel_, Sep 30 2017 *) %o A138531 (PARI) 109739369/111111111. \\ _Charles R Greathouse IV_, Feb 11 2025 %K A138531 nonn,cons,easy %O A138531 0,1 %A A138531 _Eric Desbiaux_, May 19 2008