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A233493 Number of (n+2)X(4+2) 0..2 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards 1
205862149, 108934667695, 57417306351598, 30258000792128359, 15945021790711870267, 8402516744270059192510, 4427856941758752650124295, 2333338629541317978393143944, 1229594638242708728348131570618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A233497

LINKS

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

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

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

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

CROSSREFS

Sequence in context: A226079 A034641 A288088 * A187440 A092379 A233614

Adjacent sequences:  A233490 A233491 A233492 * A233494 A233495 A233496

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 11 2013

STATUS

approved

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Last modified September 16 23:53 EDT 2021. Contains 347477 sequences. (Running on oeis4.)