A233621 Number of (3+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

10864544, 1955165211, 345855899520, 61016076689221, 10751985514076079, 1894224161834632818, 333687213953551022545, 58781409843775920833914, 10354713897441855413799188, 1824045467638197765675136627

Offset

1,1

Comments

Row 3 of A233618

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

Crossrefs

Sequence in context: A203942 A251488 A214245 * A151909 A205664 A205953

Adjacent sequences: A233618 A233619 A233620 * A233622 A233623 A233624

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved