A233708 Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards

328460622, 144297443044, 64757179869158, 29152990437729687, 13079808646875768102, 5867938966990837202105, 2630652713300914070749816, 1179428589564447574561739522, 528706001126350539102897074076

Offset

1,1

Comments

Row 3 of A233705

Links

R. H. Hardin, Table of n, a(n) for n = 1..34

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

Crossrefs

Sequence in context: A260083 A344926 A344927 * A022239 A222978 A353541

Adjacent sequences: A233705 A233706 A233707 * A233709 A233710 A233711

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved