User blog comment:Planterobloon/The Fast-Growing Hierarchy Explained/@comment-32697988-20180401191528

Analysis. \(W_\alpha(n)\) is the wrong-growing hierarchy.

\(W_0(n)=n+1\)

\(W_1(n)=W^2_0(n)=n+2\)

\(W_2(n)=W^4_0(n)=n+4\)

\(W_a(n)=n+2^a\)

\(W_\omega(n)=n+2^n\approx f_2(n)\)