A206214 - OEIS

%I #5 Mar 31 2012 12:37:10

%S 34236,27656,40032,274320,1435584,9438912,68074272,366583680,

%T 2427719040,17541854784,94578589440,626351512320,4525798534272,

%U 24401276075520,161598690178560,1167656021842176,6295529227484160,41692462066068480

%N Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..2 introduced in row major order

%C Column 7 of A206215

%H R. H. Hardin, <a href="/A206214/b206214.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 258*a(n-3) for n>10

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 04 2012