Quintintar

Quintintar is equal to: \(\underbrace{Tar(\cdots (Tar)\cdots)}_{5\quad pairs \quad of \quad brackets}=f_{\underbrace{C(C(\cdots(C(C(\Omega_{Quadrintar}2,0),0),\cdots ),0)}_{Quadrintar\quad C's}}(Quadrintar)

the term was coined by Denis Maksudov.