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 A021089 #10 Jul 13 2025 13:16:38
%S A021089 0,1,1,7,6,4,7,0,5,8,8,2,3,5,2,9,4,1,1,7,6,4,7,0,5,8,8,2,3,5,2,9,4,1,
%T A021089 1,7,6,4,7,0,5,8,8,2,3,5,2,9,4,1,1,7,6,4,7,0,5,8,8,2,3,5,2,9,4,1,1,7,
%U A021089 6,4,7,0,5,8,8,2,3,5,2,9,4,1,1,7,6,4,7,0,5,8,8,2,3,5,2,9,4,1,1
%N A021089 Decimal expansion of 1/85.
%H A021089 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,-1,1).
%t A021089 Join[{0},RealDigits[1/85,10,120][[1]]] (* or *) PadRight[{0},120,{4,1,1,7,6,4,7,0,5,8,8,2,3,5,2,9}] (* _Harvey P. Dale_, Aug 16 2016 *)
%K A021089 nonn,cons
%O A021089 0,4
%A A021089 _N. J. A. Sloane_