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

%I #4 Dec 14 2013 06:22:08

%S 83451469774,248776920079071,752211767721347638,

%T 2283486525774040837846,6931225022478476739094425,

%U 21035300720988185135892977193,63838038364605732495536034257283,193736916216734490842722213331617283

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

%C Row 6 of A233602

%H R. H. Hardin, <a href="/A233608/b233608.txt">Table of n, a(n) for n = 1..19</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..1....0..0..2....0..0..0....0..2..1....0..2..2....0..1..1....0..2..1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2013