A233848 Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards

633584640, 370375897185, 220722832237568, 131619893152104448, 78444365858611557120, 46755385347391762949529, 27863681225902674985846368, 16605973868272358025738769936, 9896317573443618897433551573032

Offset

1,1

Comments

Row 3 of A233845

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..1....0..0..1....0..0..1....0..0..0....0..0..1....0..0..0....0..0..1
..1..2..1....0..3..1....0..0..0....1..0..2....0..1..1....1..2..0....0..1..1
..2..3..0....1..0..3....2..0..3....1..0..0....2..3..0....1..2..2....2..2..1
..2..0..2....1..2..2....0..0..2....2..1..1....1..3..0....2..0..3....1..1..2

Crossrefs

Sequence in context: A237364 A371865 A251498 * A343077 A374579 A360306

Adjacent sequences: A233845 A233846 A233847 * A233849 A233850 A233851

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved