83798domain: NAppears in sequencesNumber of factorizations of n! into factors > 1 that can be obtained by taking the block-products of some set partition of {2,3,...,n}.at n=11A321467Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^binomial(k+4,5).at n=21A344205