-82614884352domain: ZAppears in sequencesG.f.: Product_{n>=1} (1 + a(n)*x^n/n!) = exp(x).at n=14A137852Product_{n>=1} (1 + a(n)*x^n/n!) = 1 + tanh(x).at n=14A353779Product_{n>=1} 1 / (1 - a(n)*x^n/n!) = 1 + tanh(x).at n=14A353912