Tridodecal

The tridodecal is equal to \(\lbrace12,12,12\rbrace\) or \(12\lbrace12\rbrace12\) in BEAF or 12 14-ated to 12. . The term was coined by Aarex Tiaokhiao. This is the twelfth Ackermann number.

Etymology
The name of this number is based on tri- (three) and dodecal- (twelve), meaning that there are 3 12's in the array.