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A233610
Number of (n+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards
1
17064, 27826929, 345855899520, 32842430056859347, 23811740158656753556614, 131875420683502307856971387719, 5579329268797957710001574591451050376, 1803344684216195708245651510240850004883561345
OFFSET
1,1
COMMENTS
Diagonal of A233618
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0....0..2..1....1..2..2....2..2..1....2..2..0....0..1..1....0..1..0
..1..1..1....2..0..1....0..2..1....1..2..2....0..2..2....0..2..1....1..2..0
..2..0..1....1..0..2....2..0..0....2..1..1....0..0..0....0..1..1....0..2..2
CROSSREFS
Sequence in context: A233618 A233619 A233611 * A361349 A121669 A247697
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 14 2013
STATUS
approved