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

%I #4 Dec 14 2013 07:02:24

%S 174499696896,678130944334209,2547870958491036012,

%T 9514684332344605845443,35434158790481694776332009,

%U 131875420683502307856971387719,490686983642703696091848306482022,1825652508730167706958260092562577280

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

%C Row 6 of A233618

%H R. H. Hardin, <a href="/A233624/b233624.txt">Table of n, a(n) for n = 1..106</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..2....0..0..2....0..0..0....0..0..2....0..2..1....0..0..1....0..2..0

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2013