Triakulus

The triakulus is equal to \(3\&3\&3\) or \(\lbrace 3,3 /2 \rbrace\) using the array of operator and BEAF. Since the array of operator solves from left to right, \(3\&3\&3 =  \lbrace 3,3,3 \rbrace \& 3 \), a pentational array. It has \(3\&3 = \lbrace3, 3, 3\rbrace\) = tritri 3's.

This is the smallest number, named by Jonathan Bowers and lies in the pentational-array range.