A231266 - OEIS

%I #4 Nov 06 2013 08:00:02

%S 86,547,2982,19503,126851,866396,5921588,40973953,283765581,

%T 1972122444,13710377266,95395947525,663770545015,4619277813951,

%U 32145505935933,223706188296535,1556796061665136,10833978133171498,75395132198062729

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

%C Row 4 of A231263

%H R. H. Hardin, <a href="/A231266/b231266.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 06 2013