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A184405 1/6 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing two of one value, three of another, and four of the last 1

%I

%S 16140,326100,6361037,127484430,2555137939,51389641795,1035065757204,

%T 20870295045966,421098204454741,8500324048315260,171638818042385741,

%U 3466424314411616868,70017331814282370642,1414381291357998662563

%N 1/6 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing two of one value, three of another, and four of the last

%C Column 2 of A184407

%H R. H. Hardin, <a href="/A184405/b184405.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions with a(1,1)=0 for 6X4

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 12 2011

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Last modified July 30 07:18 EDT 2021. Contains 346348 sequences. (Running on oeis4.)