145901795domain: NAppears in sequencesNumber of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal.at n=3A224122T(n,k) is the number of n X k 0..3 arrays with row sums nondecreasing and column sums unimodal.at n=24A224123Number of 4Xn 0..3 arrays with row sums nondecreasing and column sums unimodal.at n=3A224126