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Number of (n+2)X(6+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
1

%I #4 Dec 25 2013 09:50:20

%S 148657436928,472916732993424,1408249830518808876,

%T 4119486037640399438233,11944486723702109384665943,

%U 34526335226027559659871647183,99669162423651067249364771118789,287576266403190867326809036781879073

%N Number of (n+2)X(6+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

%C Column 6 of A234380

%H R. H. Hardin, <a href="/A234379/b234379.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for n=1

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

%e ..0..0..0..0..0..0..1..0....0..0..0..0..0..2..0..2....0..0..0..0..0..0..1..2

%e ..0..0..0..0..1..0..1..0....2..1..1..0..0..0..1..1....2..1..1..1..1..0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013