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A187424 Number of (n+1)X7 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants 0

%I #4 Mar 31 2012 12:36:08

%S 76263,2142214,56472058,2183222530,72355701549

%N Number of (n+1)X7 0..2 arrays with every 2X2 subblock determinant equal to exactly one or two horizontal and vertical neighbor 2X2 subblock determinants

%C Column 6 of A187425

%e Some solutions for 3X7

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 09 2011

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Last modified July 20 20:25 EDT 2024. Contains 374459 sequences. (Running on oeis4.)