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 A256683 #11 Feb 16 2025 08:33:25
%S A256683 5,6,6,7,1,6,2,4,4,1,5,5,6,8,8,5,5,3,5,8,4,9,4,7,4,1,7,4,5,1,8,1,5,5,
%T A256683 4,2,4,7,1,1,7,9,5,7,8,7,6,9,4,8,4,8,8,9,3,6,7,0,4,1,9,7,3,3,3,2,6,7,
%U A256683 8,1,4,9,4,9,9,3,8,5,8,1,4,3,4,2,8,9,1,3,3,7,7,2,7,3,3,8,7,2,2,8,5,0,4,5
%N A256683 Decimal expansion of the [negated] abscissa of the Gamma function local minimum in the interval [-6,-5].
%H A256683 Eric Weisstein's MathWorld, <a href="https://mathworld.wolfram.com/GammaFunction.html">Gamma Function</a>
%H A256683 Wikipedia, <a href="http://en.wikipedia.org/wiki/Particular_values_of_the_Gamma_function">Particular values of the Gamma Function</a>
%F A256683 Solution to PolyGamma(x) = 0 in the interval [-6,-5]
%e A256683 Gamma(-5.66716244155688553584947417451815542471179578769484889367...)
%e A256683 = 0.00932459448261485052171192379918266310927330588790814482...
%t A256683 digits = 104; x0 = x /. FindRoot[PolyGamma[0, x] == 0, {x, -11/2}, WorkingPrecision -> digits + 5]; RealDigits[x0, 10, digits] // First
%Y A256683 Cf. A030169, A030171, A175472, A175473, A256681, A256682, A256684-A256687.
%K A256683 nonn,cons
%O A256683 1,1
%A A256683 _Jean-François Alcover_, Apr 08 2015