274631domain: NAppears in sequencesT(n,k)=Number of nXk 0..1 arrays with row sums nondecreasing and column sums unimodal.at n=47A223625Number of 3Xn 0..1 arrays with row sums nondecreasing and column sums unimodal.at n=7A223627Ordered lone-child-avoiding trees where vertices have decreasing subtree sizes.at n=22A346787