Quadrintar

Quadrintar is equal to: \(\underbrace{Tar(\cdots (Tar)\cdots)}_{4\quad pairs \quad of \quad brackets}=f_{\underbrace{C(C(\cdots(C(C(\Omega_{Trintar}2,0),0),\cdots ),0)}_{Trintar\quad C's }} (Trintar)\)

the term was coinded by Denis Maksudov.