Denominator of the coefficient of z^(2n) in the Stirling-like asymptotic expansion of the hyperfactorial function A002109.

A143476

Denominator of the coefficient of z^(2n) in the Stirling-like asymptotic expansion of the hyperfactorial function A002109.

Terms

    a(0) =1a(1) =720a(2) =7257600a(3) =15676416000

External references