Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero.

A162027

Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero.

Terms

    a(0) =818230288201

External references