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A239540 Number of (6+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order 1

%I

%S 128,1584,98304,3785280,165336096,6976042240,297124637920,

%T 12622717987696,536625406147360,22809020631128424,969537615294392640,

%U 41211319597204417184,1751741668044306860648,74460018786142833463792

%N Number of (6+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order

%C Row 6 of A239537

%H R. H. Hardin, <a href="/A239540/b239540.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A239540/a239540.txt">Empirical recurrence of order 85</a>

%F Empirical recurrence of order 85 (see link above)

%e Some solutions for n=3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 21 2014

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Last modified October 20 20:12 EDT 2019. Contains 328272 sequences. (Running on oeis4.)