A233804 Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards

365649436, 184701585960, 94758748460662, 48635344266106500, 24940318640151913796, 12790947069343216028464, 6558773761006926462623812, 3363242835991985077088526938, 1724557330408711023519572108374

Offset

1,1

Comments

Row 3 of A233801

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

Crossrefs

Sequence in context: A017351 A017471 A017603 * A112445 A101640 A233798

Adjacent sequences: A233801 A233802 A233803 * A233805 A233806 A233807

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved