Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal.

A224122

Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal.

Terms

    a(0) =130a(1) =16782a(2) =1703178a(3) =145901795a(4) =11066001160a(5) =766386005577

External references