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Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order
1

%I #5 Mar 31 2012 12:37:06

%S 11143,405702,15614579,637115198,26272023365,1094476686239,

%T 45724154665434,1914758450334723,80250258826348339,

%U 3365536894872561413,141181596884768969546,5923561349136374628421,248557182283520215199720

%N Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order

%C Column 6 of A205475

%H R. H. Hardin, <a href="/A205473/b205473.txt">Table of n, a(n) for n = 1..178</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 27 2012