A162101 - OEIS

A162101

Number of n X n binary arrays with rows and columns, considered as binary numbers, in strictly increasing order, and no more than 2 ones in any row or column

%I #4 Dec 18 2015 18:17:23

%S 2,3,11,44,203,1083,6424,41908,297357,2274237,18618870,162222857,

%T 1496925971,14568783883,149016495539

%N Number of n X n binary arrays with rows and columns, considered as binary numbers, in strictly increasing order, and no more than 2 ones in any row or column

%K nonn

%O 1,1

%A _R. H. Hardin_ Jun 25 2009