Number of (4*n)Xn binary arrays with nonzero rows in decreasing order, no more than 3 ones in any row and exactly 4 ones in every column.

A188452

Number of (4*n)Xn binary arrays with nonzero rows in decreasing order, no more than 3 ones in any row and exactly 4 ones in every column.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =139a(4) =16683a(5) =2876300a(6) =703845255a(7) =235994839738

External references