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

A143475

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

Terms

    a(0) =1a(1) =1a(2) =-1433a(3) =1550887a(4) =-365236274341

External references