User blog comment:Googleaarex/Bashicu Matrix System Analysis (Part 1)/@comment-11227630-20170725040915

s(n,n{1{1,,1,,2}2}2) = s(n,n{1{1...{1,2}...2}2}2) = s(n,n{1`2}2), with only $$\varepsilon_0$$-growth rate.

Instead, s(n,n{1,,1,,2}2) = s(n,n{1,,1{1,,1,,2}2}2) = s(n,n{1,,1{1,,1...{1,,1,2}...2}2}2), with $$\psi(\psi_I(0))$$-growth rate.

Note that D({1,,1,,2}) equals the comma.