1,2

The next term is too large to include.

The next term has 199 digits. - Harvey P. Dale, Jul 02 2022

Theorem: (n!)! > n^n for n>2.

D. S. Mitrinovic, Analytic Inequalities, Springer-Verlag, 1970; p. 193, 3.1.22.

Table of n, a(n) for n=1..4.

Sequence in context: A188698 A209364 A106301 * A115474 A064976 A062665

Adjacent sequences: A127620 A127621 A127622 * A127624 A127625 A127626

sign

N. J. A. Sloane, Apr 03 2007

approved