A266045 Number of 5Xn arrays containing n copies of 0..5-1 with no element plus any vertical or antidiagonal neighbor equal to 5-1.

48, 6440, 1477440, 456791920, 161738440488, 62114577825696, 25198494781622392, 10640118954220875488

Offset

1,1

Comments

Row 5 of A266042.

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for n=2
..1..2....1..1....0..4....1..0....3..0....0..4....2..3....2..4....1..1....1..0
..1..3....4..4....3..3....0..3....2..1....2..4....0..0....3..4....0..4....0..1
..0..3....2..2....4..2....3..4....4..4....1..1....3..1....3..1....3..3....2..4
..0..4....3..0....1..1....2..2....1..3....0..2....4..4....2..1....4..0....4..3
..2..4....3..0....2..0....1..4....0..2....3..3....1..2....0..0....2..2....3..2

Crossrefs

Cf. A266042.

Sequence in context: A269179 A276098 A233242 * A130417 A299943 A226257

Adjacent sequences: A266042 A266043 A266044 * A266046 A266047 A266048

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved