Fibonacci factorial | fibonorial constant

The Fibonacci factorial constant is the constant appearing in the asymptotic growth of the fibonorials (aka. Fibonacci factorials) n!_F. It is given by the infinite product F = product_(k = 1)^∞(1 - a^k), where a = - 1/ϕ^2 and ϕ is the golden ratio.

fibonorial | golden ratio | infinite product