Grand Moser

Grand Moser is equal to 3 inside a Grand Mega-gon, where Steinhaus-Moser Notation is used or M(3,M(3,3)-2) or M(3,Grand Mega-2) in Hyper-Moser notation. The number was invented by Aarex Tiaokhiao. Formally:

\begin{eqnarray*} S_3(n) &=& n^n \\ S_{k + 1}(n) &=& S_k^n(n) \\ \text{Moser} &=& S_{S_5(3)}(3) \\ \end{eqnarray*}