Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal.

A223883

Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal.

Terms

    a(0) =22a(1) =564a(2) =11250a(3) =187019a(4) =2718572a(5) =35673854a(6) =431939504a(7) =4901224903a(8) =52724142720a(9) =542458862253

External references