749206090500domain: NAppears in sequencesStirling numbers of the second kind, S(n,5).at n=15A000481Stirling numbers of second kind S2(20,n).at n=4A011569O.g.f.: Sum_{n>=0} (n^4)^n * exp(-n^4*x) * x^n / n!.at n=5A217914