Its NigerianPidgin Greek Notation!
Αn = 10^n
ΑΑn = 10^10^n
Α^m(n) = (10^)^m n
Βn = 10^^^n
ΒΒn = 10^^^n
Β^m(n) = (10^^^)^m n
Γn = 10{n+5}10
ΓΓn = 10{10{n+5}10}10
Γ^m(n) = (10{)^m n+5 (}10)^m
Δn = 10{{n+1}}10
ΔΔn = 10{{10{{n+1}}10}}10
Δ^m(n) = (10{{)^m n+5 (}}10)^m
Εn = 10{{{n+1}}}10
ΕΕn = 10{{{10{{{n+2}}}10}}}10
Ε^m(n) = (10{{{)^m n+5 (}}}10)^m
Ζn = {10, 10, 10, n+3}
ΖΖn = {10, 10, 10, {10, 10, 10, n-3}}
Ζ^m(n) = En###10#m in Hyper-E Notation.