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Number of nX5 0..2 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions)
1

%I #4 Nov 13 2013 10:29:19

%S 21,1343,115110,9409503,769212993,62871566958,5138796600020,

%T 420019667031805,34330314343879137,2805988700231638418,

%U 229347523849036751937,18745722917348246490722,1532181912286035287811059

%N Number of nX5 0..2 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions)

%C Column 5 of A231785

%H R. H. Hardin, <a href="/A231782/b231782.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 13 2013