User blog comment:Cloudy176/Hyperfactorial array notation: Analysis part 1/@comment-5029411-20130626224907

[2] is growth rate w+1

[1,2] is growth rate w*2

[1,1,2] is growth rate w^2

[1,1,1,2] is growth rate w^w

[1,1,1,1,2] is growth rate e(0)

[1...1,2] (n+1 1's) is growth rate phi(n,0)