Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 4 ones in any row or column.

A162046

Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 4 ones in any row or column.

Terms

    a(0) =2a(1) =7a(2) =45a(3) =650a(4) =19286a(5) =1022736a(6) =86202115a(7) =10650429877

External references