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 A269547 #14 Jan 16 2017 14:06:58 %S A269547 9,7,7,2,1,3,3,0,7,9,4,2,0,0,6,7,3,3,2,9,2,0,6,9,4,8,6,4,0,6,1,8,2,3, %T A269547 4,3,6,4,0,8,3,4,6,0,9,9,9,4,3,2,5,6,3,8,0,0,9,5,2,3,2,8,6,5,3,1,8,1, %U A269547 0,5,9,2,4,7,7,7,1,4,1,3,1,7,3,0,2,0,7,5,6,5,4,3,6,2,9,2,8,7,3,4,3,5,5 %N A269547 Decimal expansion of Psi(Pi). %C A269547 Psi(x) is the digamma function (logarithmic derivative of the Gamma function). %H A269547 G. C. Greubel, <a href="/A269547/b269547.txt">Table of n, a(n) for n = 0..5000</a> %e A269547 0.9772133079420067332920694864061823436408346099943256... %p A269547 evalf(Psi(Pi), 120) %t A269547 RealDigits[PolyGamma[Pi], 10, 120][[1]] %o A269547 (PARI) default(realprecision, 120); psi(Pi) %o A269547 (MATLAB) format long; psi(pi) %Y A269547 Cf. A269545, A269546, A269557, A269558, A269559, A257955, A257957, A257958, A257959, A002161. %Y A269547 Cf. A073005, A068466, A175380, A175379, A220086, A203142, A256190, A256191, A256192, A203140, A203139, A203138, A203137. %K A269547 nonn,cons %O A269547 0,1 %A A269547 _Iaroslav V. Blagouchine_, Feb 29 2016