A234071 Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

671548560, 421353160493, 253278425289056, 151699488521954708, 90489567154322367044, 53953118292340180319839, 32156510655168186055908916, 19164607841132268883312025696, 11421305806118398515497179182608

Offset

1,1

Comments

Row 3 of A234068

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

Crossrefs

Sequence in context: A289958 A263894 A291550 * A234795 A035795 A172552

Adjacent sequences: A234068 A234069 A234070 * A234072 A234073 A234074

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved