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 A021056 #14 Sep 29 2023 16:37:10
%S A021056 0,1,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,
%T A021056 3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,
%U A021056 9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9,2,3,0,7,6,9
%N A021056 Decimal expansion of 1/52.
%H A021056 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, -1, 1).
%e A021056 0.01923076923076923076923076923...
%t A021056 Join[{0}, RealDigits[1/52, 10, 104][[1]]] (* _Alonso del Arte_, Apr 13 2018 *)
%t A021056 PadRight[{0,1},120,{7,6,9,2,3,0}] (* _Harvey P. Dale_, Apr 12 2021 *)
%K A021056 nonn,cons,easy
%O A021056 0,3
%A A021056 _N. J. A. Sloane_