A233851 Number of (6+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards

111529525575680, 2704962047095586817, 68144762665642379485184, 1718914265875492989694529536, 43338357560938323140383605449216, 1092733829722948057628861796014602753

Offset

1,1

Comments

Row 6 of A233845

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

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

Crossrefs

Sequence in context: A368044 A095430 A185892 * A053852 A234074 A175347

Adjacent sequences: A233848 A233849 A233850 * A233852 A233853 A233854

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved