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A231778
Number of n X n 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)
0
1, 17, 854, 304889, 769212993, 13609071705352, 1688595672250001943, 1469407313587653037101935
OFFSET
1,2
COMMENTS
Diagonal of A231785
EXAMPLE
Some solutions for n=3
..0..0..0....0..1..1....0..2..1....0..1..2....0..2..1....0..1..1....0..1..1
..1..0..1....2..1..1....1..1..1....0..1..0....2..2..1....0..2..0....2..1..1
..2..2..1....2..2..0....1..1..2....2..2..0....2..2..1....2..2..0....2..0..2
CROSSREFS
Sequence in context: A139091 A262634 A173983 * A355468 A281428 A221324
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2013
STATUS
approved