Septintar

Septintar is equal to \(\underbrace{Tar(\cdots (Tar)\cdots)}_{7\quad pairs \quad of \quad brackets}=f_{\underbrace{C(C(\cdots(C(C(\Omega_{Sextintar}2,0),0),\cdots ),0)}_{Sextintar\quad C's}}(Sextintar)