Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 3 ones in any row or column.

A162045

Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and no more than 3 ones in any row or column.

Terms

    a(0) =2a(1) =7a(2) =45a(3) =435a(4) =6219a(5) =123016a(6) =3178802a(7) =102907436a(8) =4049382855a(9) =189346451256

External references