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 A021228 #19 Jul 08 2025 08:11:21
%S A021228 0,0,4,4,6,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,
%T A021228 1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,
%U A021228 5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5
%N A021228 Decimal expansion of 1/224.
%C A021228 Same decimal period as A020806. - _R. J. Mathar_, Feb 13 2012
%H A021228 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, -1, 1).
%e A021228 0.0044642857142857..
%t A021228 Join[{0,0},RealDigits[1/224 ,10,120][[1]]] (* _Harvey P. Dale_, Apr 23 2011 *)
%Y A021228 Cf. A020806.
%K A021228 nonn,cons
%O A021228 0,3
%A A021228 _N. J. A. Sloane_