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 A094001 #16 Dec 28 2021 07:35:38
%S A094001 2,5,8,4,5,9,3,7,1,9,6,6,7,4,7,2,8,8,7,1,6,1,0,7,1,0,2,1,6,8,4,2,6,9,
%T A094001 2,4,3,6,0,6,2,2,6,1,7,4,5,1,4,4,9,8,3,5,2,3,9,3,5,6,3,4,5,7,4,0,3,4,
%U A094001 6,4,6,8,7,7,2,0,7,7,9,3,8,6,6,3,2,4,2,1,9,6,8,3,7,9,2,9,6,4,9,7,8,9,8,2,0
%N A094001 Decimal expansion of (Pi + e)^Pi.
%H A094001 Harry J. Smith, <a href="/A094001/b094001.txt">Table of n, a(n) for n = 3..20000</a>
%e A094001 258.4593719667472887161071021684269...
%t A094001 RealDigits[(Pi + E)^Pi, 10, 125][[1]] (* _G. C. Greubel_, Dec 27 2021 *)
%o A094001 (PARI) { default(realprecision, 20080); x=(Pi+exp(1))^Pi/100; for (n=3, 20000, d=floor(x); x=(x-d)*10; write("b094001.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 16 2009
%o A094001 (Sage) numerical_approx((pi+e)^pi, digits=125) # _G. C. Greubel_, Dec 27 2021
%Y A094001 Cf. A000796, A001113, A059742.
%Y A094001 Cf. A161683 (continued fraction). - _Harry J. Smith_, Jun 16 2009
%K A094001 cons,nonn
%O A094001 3,1
%A A094001 _Mohammad K. Azarian_, May 30 2004