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A230755 Number of (n+3)X(6+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero 1

%I

%S 4120752,3423037464,3154520054700,2446111719135732,

%T 1928867953682733132,1504181314566629793432,1173949802576478433728192,

%U 915433809414452667025137888,713802193109443984513638090432

%N Number of (n+3)X(6+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero

%C Column 6 of A230757

%H R. H. Hardin, <a href="/A230755/b230755.txt">Table of n, a(n) for n = 1..189</a>

%e Some solutions for n=1

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 29 2013

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Last modified October 18 10:53 EDT 2021. Contains 348067 sequences. (Running on oeis4.)