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A187435 Number of (n+1)X4 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors 1

%I

%S 5344,311730,18257013,1070374436,62735788524,3677337022406,

%T 215547981233289,12634446300216814,740573387875513027,

%U 43409027745399571245,2544438765507573177231,149143369457644414336487

%N Number of (n+1)X4 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors

%C Column 3 of A187441

%H R. H. Hardin, <a href="/A187435/b187435.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X4

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 10 2011

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Last modified June 12 10:58 EDT 2021. Contains 344947 sequences. (Running on oeis4.)