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Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally, with no adjacent elements equal
1

%I #5 Aug 11 2014 22:45:56

%S 1,288,5338,16338,312276,1047700,20052758,71916112,1303776080,

%T 4965633966,85069249698,342465661280,5558842468148,23543239967730,

%U 363597929464136,1613453348902866,23803367852101370,110263048814908764

%N Number of 6Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally, with no adjacent elements equal

%C Row 6 of A232335

%H R. H. Hardin, <a href="/A232340/b232340.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A232340/a232340.txt">Empirical recurrence of order 80</a>

%F Empirical recurrence of order 80 (see link above)

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 22 2013