Gong Moser

Gong Moser is equal to 5 inside a Gong Mega-gon, where Steinhaus-Moser Notation is used or M(5,M(5,3)-2) or M(5,Gong 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{Gong Moser} &=& S_{S_5(5)}(5) \\ \end{eqnarray*}