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A233504 Number of (7+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards 1
4179418541288, 42073567268258250, 430460043429459971151, 4427856941758752650124295, 45546338617701276241497828114, 468395889308102675585857738604085, 4816818414167397900878136977065117439 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A233497

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

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

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

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

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

CROSSREFS

Sequence in context: A172630 A186912 A288284 * A013640 A185431 A139574

Adjacent sequences: A233501 A233502 A233503 * A233505 A233506 A233507

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 11 2013

STATUS

approved

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Last modified February 4 07:13 EST 2023. Contains 360046 sequences. (Running on oeis4.)