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Number of 5Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal
1

%I #4 Nov 23 2013 07:37:09

%S 1,934,36574,957232,27133338,825606450,24945468636,747913169216,

%T 22460676406974,675143834470462,20291549259837168,609804313253059260,

%U 18326215546732616794,550758040677362295570,16551923665278410826856

%N Number of 5Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal

%C Row 5 of A232376

%H R. H. Hardin, <a href="/A232380/b232380.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 23 2013