A205752 - OEIS

%I #5 Mar 31 2012 12:37:07

%S 46709,279504,7401826,88143754,1885888870,26828234464,528507252157,

%T 8142071823898,150897062896760,2433101515248386,43576907137276890,

%U 720763526062990940,12660252875952041246,212486499238257674586

%N Number of (n+1)X8 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order

%C Column 7 of A205753

%H R. H. Hardin, <a href="/A205752/b205752.txt">Table of n, a(n) for n = 1..136</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 30 2012