141112domain: NAppears in sequencesMain diagonal of square table A086623 of coefficients of f(x,y) that satisfies f(x,y) = (1-xy)/[(1-x)(1-y)] + xy*f(x,y)^2.at n=8A086624Number of nX3 0..3 arrays with row sums and column sums unimodal.at n=2A224111T(n,k)=Number of nXk 0..3 arrays with row sums and column sums unimodal.at n=12A224113