Undecatri

Undecatri is equal to {3,3,3,3,3,3,3,3,3,3,3} in BEAF or 11 &amp; 3, using the array of operator. The term was coined by Aarex Tiaokhiao.

Undecatri is comparable to \(f_{\omega^9}(3)\) in the fast-growing hierarchy.