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A186138 Number of (n+1)X7 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace 1

%I

%S 1304424,297562572,71683161894,17226840778164,4163686846399494,

%T 1006890732907711236,243566994040674992586,58923376595033869477548,

%U 14255041036793840265910500,3448666147857395420772494514

%N Number of (n+1)X7 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace

%C Column 6 of A186141

%H R. H. Hardin, <a href="/A186138/b186138.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X7

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2011

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Last modified September 21 07:28 EDT 2021. Contains 347596 sequences. (Running on oeis4.)