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A231851
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Number of nX4 0..2 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions)
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2
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8, 144, 7339, 360966, 17726611, 870478586, 42745416641, 2099041399895, 103074789422478, 5061554394805698, 248550911791818706, 12205253749015192168, 599346902427518296059, 29431318417158665841585
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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Empirical: a(n) = 62*a(n-1) -697*a(n-2) +3287*a(n-3) -7718*a(n-4) +9336*a(n-5) -5629*a(n-6) +1612*a(n-7) -184*a(n-8) +4*a(n-9) for n>10
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EXAMPLE
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Some solutions for n=3
..0..0..2..1....0..0..2..2....0..2..2..1....0..0..2..1....0..0..2..1
..2..2..1..2....1..1..0..0....2..1..1..1....1..1..1..1....1..2..1..1
..0..1..2..2....0..0..0..0....0..0..0..0....1..2..0..0....2..0..2..2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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