@MathML / MathJax MMh, this is the code, I saw by a MathML-user, I do not know, how to get this on "linewidth" :()
$\displaystyle a=1,c = b+1 = 3^{2^{11}}, b = 3^{2^{11}}-1 = 3^{2048}-1 =
13942147270623679146873528796701570723260623211399818675976228428320324826739932742348500247601829454802720765812458000695626912222476137561535899768123734943378540158472910669339525
52814911691420170821153079477718019547045674332114645606391409446736353641550166933892016135940389846869161786237025783521906362517760397421013848514743110837351028779931312121969626
Evidently \pgfplotsinvokeforeach is like \foreach in that all assignments are local.
\documentclass[a4paper, landscape=false]{article}
\usepackage{pgfplotstable}
\pgfplotsset{compat=newest}
\begin{document}
% Start
\pgfplotstableread[col sep=&]{
999 & 999 & 999
}\main
\pgfplotstableread[col sep=&
I wrote the explaining text into the image, I hope it is easier to explain in this way:
Picture without stuff:
\documentclass[a4paper]{article}
\usepackage{pgfplotstable}
\pgfplotsset{compat=1.16}
\usepackage{xcolor, colortbl}
\pgfkeys{/pgf/number format/.cd,
fixed, 1000 sep={\,},
}
\beg...
