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 A096409 #23 May 05 2022 20:26:07
%S A096409 0,1,3,7,1,2,3,3,1,0,8,6,1,0,4,6,3,1,0,8,7,4,4,6,5,5,4,4,0,9,9,2,0,1,
%T A096409 6,9,1,0,8,6,2,2,1,7,2,1,3,6,9,9,2,2,1,1,1,8,8,6,4,2,6,7,1,0,9,3,0,9,
%U A096409 8,2,2,1,8,0,0,6,1,6,1,8,8,0,4,1,2,9,9,0,4,5,0,4,4,4,6,6,3,8,9,8,9,6,8,1,1
%N A096409 Decimal expansion of (Pi*e)^(-2).
%H A096409 Muniru A Asiru, <a href="/A096409/b096409.txt">Table of n, a(n) for n = 0..2000</a>
%e A096409 0.0137123310861046310874465544...
%p A096409 evalf(1/(Pi^2*exp(2))) ; # _R. J. Mathar_, Oct 03 2011
%t A096409 Join[{0},RealDigits[1/(Pi E)^2,10,120][[1]]] (* _Harvey P. Dale_, May 05 2022 *)
%o A096409 (PARI) (Pi*exp(1))^-2 \\ _Patrick C. Schneider_, Jun 27 2018
%Y A096409 Cf. A000796, A001113, A019609, A092036.
%K A096409 cons,nonn
%O A096409 0,3
%A A096409 _Mohammad K. Azarian_, Aug 07 2004