A233597 Number of (n+2)X(3+2) 0..2 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards

7655432, 1228836823, 193816724926, 30486088122553, 4789333815748164, 752211767721347638, 118131715113190354345, 18551716368223750795614, 2913391839460232006072857, 457523102335791690298873168

Offset

1,1

Comments

Column 3 of A233602

Links

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

Example

Some solutions for n=1
..0..0..0..0..2....0..0..0..1..0....0..0..0..1..0....0..0..0..0..0
..2..1..0..2..2....0..2..2..1..2....0..1..0..0..0....2..2..2..0..2
..1..1..2..1..1....0..2..1..0..1....0..0..2..1..1....2..2..1..2..0

Crossrefs

Sequence in context: A187962 A080340 A192105 * A258954 A273101 A124416

Adjacent sequences: A233594 A233595 A233596 * A233598 A233599 A233600

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved