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Number of (7+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards
1

%I #4 Dec 16 2013 17:57:18

%S 6250547858112512,524806929418457507809,46055875906826738439045120,

%T 4047676685721201279507422679040,355538673014592310495082456817911552,

%U 31231702526811449810929827386225614540889

%N Number of (7+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards

%C Row 7 of A233845

%H R. H. Hardin, <a href="/A233852/b233852.txt">Table of n, a(n) for n = 1..12</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

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

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

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

%e ..1..3..1....1..1..1....1..1..0....0..0..1....1..2..1....0..0..1....0..1..0

%e ..3..0..3....2..3..3....0..2..0....2..3..2....1..2..1....2..3..1....3..2..1

%e ..0..2..0....1..1..3....1..1..2....3..2..2....0..1..0....1..1..0....2..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2013