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 A021132 #15 Apr 28 2024 11:52:30
%S A021132 0,0,7,8,1,2,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T A021132 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%U A021132 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N A021132 Decimal expansion of 1/128.
%H A021132 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).
%F A021132 Equals integral(x^3/sinh(2*Pi*x), {x, 0, infinity}). - _Jean-François Alcover_, Mar 20 2013
%e A021132 1/128 = 0.0078125.
%t A021132 Join[{0, 0}, RealDigits[1/128, 10][[1]]] (* _Alonso del Arte_, Apr 16 2018 *)
%Y A021132 Cf. A021068 (1/64), A021260 (1/256).
%K A021132 nonn,cons,easy
%O A021132 0,3
%A A021132 _N. J. A. Sloane_