A267722 Number of nX5 arrays of permutations of 5 copies of 0..n-1 with every element equal to at least one horizontal neighbor and the top left element equal to 0.

1, 5, 58, 1398, 55896, 3353880, 281725200, 31553227440, 4543664711040, 817859648350080

Offset

1,2

Comments

Column 5 of A267724.

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Cf. A267724.

Sequence in context: A156326 A336258 A001624 * A096476 A158694 A015994

Adjacent sequences: A267719 A267720 A267721 * A267723 A267724 A267725

Keyword

nonn

Author

R. H. Hardin, Jan 20 2016

Status

approved