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A233609 Number of (7+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards 1
1853608731449, 14676155317362609, 118131715113190354345, 955374780755516442029392, 7725532264282950863151651388, 62458817783021082188658229035104, 504952565127306851299571097075003261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A233602

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..12

EXAMPLE

Some solutions for n=1

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..2....1..0..2....0..0..1....1..0..2....0..2..2....0..0..1....0..2..0

..2..2..1....1..0..0....1..1..1....0..2..1....2..0..2....2..0..0....1..1..0

..0..2..2....2..0..0....1..1..2....2..1..1....2..1..0....2..2..2....0..0..2

..0..2..0....1..1..0....0..1..0....1..0..1....0..0..2....0..0..0....2..2..2

CROSSREFS

Sequence in context: A289148 A282182 A017543 * A233601 A233850 A274808

Adjacent sequences:  A233606 A233607 A233608 * A233610 A233611 A233612

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified September 27 03:21 EDT 2020. Contains 337380 sequences. (Running on oeis4.)