495338913792domain: NAppears in sequencesGreatest common divisor of (n+2)! and n^n.at n=23A062776Largest 3-smooth number dividing n!.at n=25A118381a(n) = 12*a(n-2) for n > 2; a(1) = 1, a(2) = 8.at n=21A162466