User blog comment:MilkyWay90/The Kroutonillion/@comment-31966679-20180708195531

2. \(a_{A^{X}(X)}(X)\) where \(a_{\beta}(n)\) and \(A(n)\) are defined at https://googology.wikia.com/wiki/User_blog:MilkyWay90/My_ordinal_function

3. Repeat Step 1 - 2 X times