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 A269545 #19 Jan 16 2017 03:45:38
%S A269545 2,2,8,8,0,3,7,7,9,5,3,4,0,0,3,2,4,1,7,9,5,9,5,8,8,9,0,9,0,6,0,2,3,3,
%T A269545 9,2,2,8,8,9,6,8,8,1,5,3,3,5,6,2,2,2,4,4,1,1,9,9,3,8,0,7,4,5,4,7,0,4,
%U A269545 7,1,0,0,6,6,0,8,5,0,4,2,8,2,5,0,0,7,2,5,3,0,4,4,6,7,9,2,8,4,7,4,7,9,6
%N A269545 Decimal expansion of Gamma(Pi).
%H A269545 G. C. Greubel, <a href="/A269545/b269545.txt">Table of n, a(n) for n = 1..5000</a>
%F A269545 Equals Integral_{x >= 0} x^(Pi-1)/e^x dx (Euler integral of the second kind).
%e A269545 2.2880377953400324179595889090602339228896881533562224...
%p A269545 evalf(GAMMA(Pi), 120);
%t A269545 RealDigits[Gamma[Pi], 10, 120][[1]]
%o A269545 (PARI) default(realprecision, 120); gamma(Pi)
%o A269545 (MATLAB) format long; gamma(pi)
%Y A269545 Cf. A269546, A269547, A269557, A269558, A269559, A257955, A257957, A257958, A257959, A002161, A073005, A068466, A175380, A175379, A220086, A203142, A256190, A256191, A256192, A203140, A203139, A203138, A203137.
%K A269545 nonn,cons
%O A269545 1,1
%A A269545 _Iaroslav V. Blagouchine_, Feb 29 2016