A210094 - OEIS

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

%S 148410,43701168,13698519779,4440075543303,1451091848955678,

%T 474898403448944567,155235965473002555740,50647876470638703582161,

%U 16492796867928551661935684,5361464762138195631304343236

%N Number of (n+1)X8 0..2 arrays containing all values 0..2 with every 2X2 subblock having one or two distinct values, and new values 0..2 introduced in row major order

%C Column 7 of A210095

%H R. H. Hardin, <a href="/A210094/b210094.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 17 2012