A162046 - OEIS

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

%I #4 Dec 18 2015 18:17:21

%S 2,7,45,650,19286,1022736,86202115,10650429877,1821110552009

%N 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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jun 25 2009