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 A021125 #10 Jul 13 2025 15:52:56
%S A021125 0,0,8,2,6,4,4,6,2,8,0,9,9,1,7,3,5,5,3,7,1,9,0,0,8,2,6,4,4,6,2,8,0,9,
%T A021125 9,1,7,3,5,5,3,7,1,9,0,0,8,2,6,4,4,6,2,8,0,9,9,1,7,3,5,5,3,7,1,9,0,0,
%U A021125 8,2,6,4,4,6,2,8,0,9,9,1,7,3,5,5,3,7,1,9,0,0,8,2,6,4,4,6,2,8,0
%N A021125 Decimal expansion of 1/121.
%H A021125 <a href="/index/Rec#order_12">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,0,0,0,-1,1).
%t A021125 Join[{0,0},RealDigits[1/121,10,120][[1]]] (* or *) PadRight[{},120,{0,0,8,2,6,4,4,6,2,8,0,9,9,1,7,3,5,5,3,7,1,9}] (* _Harvey P. Dale_, Dec 08 2018 *)
%K A021125 nonn,cons
%O A021125 0,3
%A A021125 _N. J. A. Sloane_