A232375 - OEIS

%I #4 Nov 23 2013 07:33:16

%S 48,19448,2046700,219597458,24945468636,2824295623804,319646954776850,

%T 36234058732024820,4107330198377776652,465585399247158982768,

%U 52778440824390526548132,5982947009339446194736266

%N Number of nX7 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 Column 7 of A232376

%H R. H. Hardin, <a href="/A232375/b232375.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013