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A233484
Number of (n+2)X(2+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically
1
8254896, 1328621536, 208066125583, 32519299606118, 5070020645309648, 790268803855249807, 123152447408851785342, 19191100654338179315407, 2990528559024374872097052, 466009565463506152675878521
OFFSET
1,1
COMMENTS
Column 2 of A233488
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..1....0..0..0..0....0..0..1..1....0..0..0..0....0..0..1..1
..0..3..3..0....0..2..1..2....3..3..3..3....3..2..0..0....3..3..1..1
..1..0..0..1....3..1..0..1....0..2..1..0....3..0..1..0....0..2..0..1
CROSSREFS
Sequence in context: A116304 A116337 A234049 * A363792 A234383 A192630
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2013
STATUS
approved