141948domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w>=average{x,y,z}.at n=23A212089Zeroless factorials: a(0)=1; thereafter a(n) = noz(n*a(n-1)), where noz(n) = A004719(n) omits the zeros from n.at n=15A243657