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Number of n X n binary arrays without the pattern 0 0 1 antidiagonally or horizontally
1

%I #7 Dec 18 2015 18:17:37

%S 2,16,295,10812,852448,144733702,55080396536,46897992282392,

%T 90347796732080200,391616769266718212264,3836378499038367303867568,

%U 84709934712009857654653118434,4225407805631534612606491862152228

%N Number of n X n binary arrays without the pattern 0 0 1 antidiagonally or horizontally

%C Diagonal of A188992

%H R. H. Hardin, <a href="/A188985/b188985.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for 3X3

%e ..1..0..1....0..1..1....1..0..0....1..1..1....1..0..1....0..1..1....0..1..1

%e ..1..0..1....1..1..0....1..1..0....1..0..1....0..1..0....0..1..1....0..0..0

%e ..0..1..0....0..1..1....1..0..0....0..1..0....1..0..1....1..1..0....0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 15 2011