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 A021277 #15 Jul 08 2025 08:14:41
%S A021277 0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,
%T A021277 6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,
%U A021277 3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3,6,6,3,0,0,3
%N A021277 Decimal expansion of 1/273.
%H A021277 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (2, -2, 1).
%t A021277 Join[{0,0},RealDigits[1/273,10,120][[1]]] (* or *) PadRight[{},120,{0,0,3,6,6,3}] (* _Harvey P. Dale_, May 19 2019 *)
%K A021277 nonn,cons
%O A021277 0,3
%A A021277 _N. J. A. Sloane_