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A184372 1/3 the number of (n+1)X6 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically 1

%I

%S 58077,15754461,4210059673,1127256514575,301753233626727,

%T 80778452206783159,21624059735461675335,5788675585887326994869,

%U 1549605510397241533259837,414823258633731476239250435

%N 1/3 the number of (n+1)X6 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically

%C Column 5 of A184376

%H R. H. Hardin, <a href="/A184372/b184372.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X6 with a(1,1)=0

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 12 2011

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Last modified February 3 10:30 EST 2023. Contains 360034 sequences. (Running on oeis4.)