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A233504 Number of (7+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards 1

%I #4 Dec 11 2013 10:47:58

%S 4179418541288,42073567268258250,430460043429459971151,

%T 4427856941758752650124295,45546338617701276241497828114,

%U 468395889308102675585857738604085,4816818414167397900878136977065117439

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

%C Row 7 of A233497

%H R. H. Hardin, <a href="/A233504/b233504.txt">Table of n, a(n) for n = 1..15</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..1..0....0..0..2....0..0..0....0..2..1....0..0..2....0..0..2....0..0..2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2013

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Last modified April 24 09:42 EDT 2024. Contains 371935 sequences. (Running on oeis4.)