Number of 3Xn 0..2 arrays with row sums nondecreasing and column sums unimodal.

A223817

Number of 3Xn 0..2 arrays with row sums nondecreasing and column sums unimodal.

Terms

    a(0) =10a(1) =222a(2) =4120a(3) =65465a(4) =921010a(5) =11789302a(6) =139965348a(7) =1562685952a(8) =16583874090a(9) =168662333466

External references