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 A223131 Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 0

%I

%S 122,47968,18539512,7157970340,2785187722316,1092037282618789,

%T 431398785877769642,171546088917546382811,68597654261623347505569,

%U 27560231488082950954805851

%N Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Row 6 of A223126

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 15 2013

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Last modified December 9 02:22 EST 2022. Contains 358698 sequences. (Running on oeis4.)