Coefficients of iterated exponentials.

A000310

Coefficients of iterated exponentials.

Terms

    a(0) =1a(1) =4a(2) =26a(3) =234a(4) =2696a(5) =37919a(6) =630521a(7) =12111114a(8) =264051201a(9) =6445170229a(10) =174183891471

External references