I am trying to find a similar question but they all seem to suggest something completely different.
I want to create a superscript for a superscript. Essentially: 2^2^n
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A superscript of a superscript should be grouped. So, depending on what you're after exactly, you can do:
\documentclass{article}
\begin{document}
$2^{2^n}\ {2^2}^n$
\end{document}
The first example is 2 to the power (2^n); using a similar syntax, the styles used are \textstyle^{\scriptstyle^\scriptstyle}. The second example is (2^2) to the power n with the styles denoted by {\textstyle^\scriptstyle}^\scriptstyle.
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The second possibility given here is very unclear and should be equipped with explicit parentheses like
$(2^2)^n$. – jknappen Feb 2 '17 at 11:19 -
_characters with^characters in the discussions, you could learn all you need to know about double superscripts as well. – Mico Feb 2 '17 at 7:33