%I #9 Dec 26 2023 19:13:25
%S 2,16,219,5711,262588,23131221,3821933610,1214926248918,
%T 740978404013252,873971605623906976,1995026546716994781891,
%U 8837351494869683292347918,76024359194576916691616836771,1271387131008663780693344655620080
%N Number of n X n binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally.
%C Diagonal of A188851.
%H R. H. Hardin, <a href="/A188844/b188844.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for 3 X 3
%e ..1..0..0....1..1..1....1..1..1....1..1..0....1..0..0....0..1..0....0..1..0
%e ..0..1..1....1..1..0....1..0..1....1..1..1....1..1..1....1..1..1....1..1..1
%e ..1..0..0....1..1..0....1..1..0....1..0..0....1..0..0....0..0..0....1..0..0
%Y Cf. A188851.
%K nonn
%O 1,1
%A _R. H. Hardin_, Apr 12 2011
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