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 A021039 #19 Jul 08 2025 07:58:25
%S A021039 0,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,
%T A021039 7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,8,5,7,1,4,2,
%U A021039 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
%N A021039 Decimal expansion of 1/35.
%C A021039 Same decimal period as A020806. - _R. J. Mathar_, Feb 13 2012
%H A021039 <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, -1, 1).
%e A021039 0.0285714285714285..
%t A021039 Join[{0},RealDigits[1/35,10,120][[1]]] (* or *) PadRight[{0},120,{4,2,8,5,7,1}] (* _Harvey P. Dale_, Oct 15 2013 *)
%Y A021039 Cf. A020806.
%K A021039 nonn,cons
%O A021039 0,2
%A A021039 _N. J. A. Sloane_