A265659 Number of 5Xn arrays containing n copies of 0..5-1 with no equal diagonal or antidiagonal neighbors and new values introduced sequentially from 0.

1, 372, 104241, 35213302, 13162584704, 5195648940117, 2152199648322104

Offset

1,2

Comments

Row 5 of A265656.

Links

Table of n, a(n) for n=1..7.

Example

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

Crossrefs

Cf. A265656.

Sequence in context: A200885 A161361 A369822 * A238774 A299832 A203439

Adjacent sequences: A265656 A265657 A265658 * A265660 A265661 A265662

Keyword

nonn

Author

R. H. Hardin, Dec 12 2015

Status

approved