3259095840domain: NAppears in sequencesNoncrossing set partition version of A102356.at n=22A130760Product{k|n} k$. Here '$' denotes the swinging factorial function (A056040).at n=21A163087Triangle read by rows: T(n,k) = (3*n - 2*k)!/((n-k)!^3*k!).at n=38A318107