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 A184853 #27 Feb 16 2025 08:33:13
%S A184853 0,0,0,0,3,4,3,9,4,7,7,4,4,1,8,0,8,8,0,4,8,1,7,7,9,1,4,6,2,3,7,9,8,2,
%T A184853 2,7,3,9,0,6,2,0,7,8,9,5,3,8,5,9,4,4,4,1,6,2,9,7,5,9,2,9,1,9,0,4,8,4,
%U A184853 3,1,5,0,1,0,3,3,4,4,4,6,1,5,2,8,3,7,0,9,5,7,5,4,3,8,9,3,4,5,7,1
%N A184853 Decimal expansion of 9th Stieltjes constant, negated.
%H A184853 G. C. Greubel, <a href="/A184853/b184853.txt">Table of n, a(n) for n = 0..10000</a>
%H A184853 Krzysztof Maślanka and Andrzej Koleżyński, <a href="https://arxiv.org/abs/2210.04609">The High Precision Numerical Calculation of Stieltjes Constants. Simple and Fast Algorithm</a>, arXiv preprint (2022). arXiv:2210.04609 [math.NT]
%H A184853 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/StieltjesConstants.html">Stieltjes Constants</a>
%H A184853 Wikipedia, <a href="http://en.wikipedia.org/wiki/Stieltjes_constants">Stieltjes constants</a>
%e A184853 -0.000034394774418088048177914623798227390620789538594442....
%p A184853 evalf(gamma(9)); # _R. J. Mathar_, Feb 02 2011
%t A184853 Join[{0, 0, 0, 0}, RealDigits[ N[ -StieltjesGamma[9], 101]][[1]]] (* _Jean-François Alcover_, Nov 07 2012 *)
%Y A184853 Cf. A001620, A082633, A086279, A086280, A086281, A086282, A183141, A183167, A183206, A184854.
%K A184853 nonn,cons
%O A184853 0,5
%A A184853 _Paul Muljadi_, Feb 01 2011