A162026 - OEIS

A162026

Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 3 rows or columns zero

%I #5 Dec 18 2015 18:17:21

%S 2625117,418359533,56219367467,6144528106682,548204325152913,

%T 40259458022421467,2459423031960929619,126628140635392555678,

%U 5571623612309259817169,212305284787632565767210

%N Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 3 rows or columns zero

%H R. H. Hardin, <a href="/A162026/b162026.txt">Table of n, a(n) for n=6..17</a>

%K nonn

%O 6,1

%A _R. H. Hardin_ Jun 25 2009