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A239535 Number of (n+1)X(6+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.

%I A239535 #6 Jul 23 2025 11:00:09
%S A239535 120,120,86400,1533792,171712936,6976042240,482858009716,
%T A239535 25030781490504,1514104924173186,84271877225127052,
%U A239535 4904669609011048390,278670145806811741992,16039384095013229680088,916772052100684847959202
%N A239535 Number of (n+1)X(6+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 A239535 Column 6 of A239537
%H A239535 R. H. Hardin, <a href="/A239535/b239535.txt">Table of n, a(n) for n = 1..16</a>
%e A239535 Some solutions for n=3
%e A239535 ..0..1..0..2..1..0..2....0..1..2..0..2..1..0....0..1..2..0..1..0..2
%e A239535 ..0..1..0..2..1..0..2....0..1..2..0..2..1..0....0..1..2..0..1..0..2
%e A239535 ..0..2..1..0..1..0..2....0..2..0..1..1..2..0....0..1..2..2..0..0..2
%e A239535 ..0..2..1..0..1..0..2....0..2..0..1..1..2..0....0..1..2..2..0..0..2
%K A239535 nonn
%O A239535 1,1
%A A239535 _R. H. Hardin_, Mar 21 2014