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Number of (n+1)X(4+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
1

%I #5 Aug 11 2014 22:45:55

%S 1536,192192,30645600,4509951264,677392128096,101255199764448,

%T 15154743446853216,2267704492520687136,339353240593608062304,

%U 50782606894918838006496,7599400278857398619862624

%N Number of (n+1)X(4+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order

%C Column 4 of A231324

%H R. H. Hardin, <a href="/A231320/b231320.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A231320/a231320.txt">Empirical recurrence of order 81</a>

%F Empirical recurrence of order 81 (see link above)

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 07 2013