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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
OFFSET
1,1
COMMENTS
Column 4 of A233497.
LINKS
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
Cf. A233497.
Sequence in context: A226079 A034641 A288088 * A187440 A092379 A233614
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2013
STATUS
approved