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 A248896 #11 Dec 16 2015 10:59:38
%S A248896 0,1,2,3,6,6,1,7,5,8,6,8,0,7,7,0,7,7,8,6,6,5,0,3,9,8,7,8,7,1,0,8,0,2,
%T A248896 6,7,3,2,9,6,0,7,5,1,0,2,7,3,3,1,9,1,9,3,3,3,8,3,7,0,2,3,5,2,5,5,9,5,
%U A248896 3,3,8,5,5,8,5,1,6,0,6,1,6,5,1,0,6,4,4,6,2,1,5,4,4
%N A248896 Decimal expansion of Sum_{i >= 1} 1/(4*i^2-1)^4.
%H A248896 Xavier Gourdon and Pascal Sebah, <a href="http://numbers.computation.free.fr/Constants/Pi/piSeries.html">Collection of series for Pi</a> (see paragraph 7).
%F A248896 Equals (Pi^4 + 30*Pi^2 - 384)/768.
%e A248896 0.0123661758680770778665039878710802673296075102733191933383702352559...
%t A248896 Join[{0}, RealDigits[(Pi^4 + 30 Pi^2 - 384)/768, 10, 100][[1]]]
%Y A248896 Cf. A123092: Sum_{i >= 1} 1/(4*i^2-1)^2.
%Y A248896 Cf. A248895: Sum_{i >= 1} 1/(4*i^2-1)^3.
%K A248896 nonn,cons
%O A248896 0,3
%A A248896 _Bruno Berselli_, Mar 06 2015