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

%I #4 Dec 19 2013 05:52:54

%S 91973148874,305711881527997,986298836184525375,

%T 3162697435777520932691,10115351478427063775428402,

%U 32329380137405713827900254907,103301010188771578590336746157718,330049286014055032437775824850664049

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

%C Column 6 of A234054

%H R. H. Hardin, <a href="/A234052/b234052.txt">Table of n, a(n) for n = 1..71</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013