The tetratri is equal to {3,3,3,3} = 33 (3 powerexploded to 3) in BEAF. It can also be written 4 & 3, using the array of operator. The term was coined by Jonathan Bowers. It is larger than Graham's number and comparable to Sbiis Saibian's grinningolthra. Tetratri can be computed in 2-bracket operator notation using the following process: