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A231905
Number of nX4 0..2 arrays with no element having a strict majority of its horizontal, diagonal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions)
1
8, 948, 31167, 1082472, 37368831, 1291573433, 44640322903, 1542901809201, 53327477734135, 1843163660015175, 63705479928648669, 2201859964953479282, 76103144063406244896, 2630361890828764957567, 90913506438274381411200
OFFSET
1,1
COMMENTS
Column 4 of A231908
FORMULA
Empirical recurrence of order 81 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..1..1....0..2..2..0....0..0..2..1....0..0..1..2....0..1..2..0
..2..2..2..2....2..2..0..1....0..1..0..1....0..0..1..1....0..0..2..2
..0..1..0..2....1..1..1..2....2..0..1..0....1..0..2..2....1..2..1..0
CROSSREFS
Sequence in context: A317435 A241875 A024111 * A203524 A331491 A300426
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 15 2013
STATUS
approved