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A233596 Number of (n+2)X(2+2) 0..2 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards 1
341849, 20463326, 1210323458, 71466955645, 4216843315070, 248776920079071, 14676155317362609, 865785087655346888, 51074789385868502091, 3013025156012753072147, 177745594225262163998786 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A233602

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A151559 A151563 A251495 * A291420 A266171 A233604

Adjacent sequences:  A233593 A233594 A233595 * A233597 A233598 A233599

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified January 16 03:17 EST 2019. Contains 319184 sequences. (Running on oeis4.)