Number of 6Xn 0..2 arrays with rows unimodal and columns nondecreasing.

A224193

Number of 6Xn 0..2 arrays with rows unimodal and columns nondecreasing.

Terms

    a(0) =28a(1) =784a(2) =13524a(3) =163746a(4) =1519738a(5) =11444292a(6) =72710554a(7) =400958714a(8) =1960596602a(9) =8643660124a(10) =34817290272a(11) =129528551708a(12) =449030731802

External references