A264943 Number of nX5 arrays of permutations of 5 copies of 0..n-1 with no equal horizontal neighbors and new values introduced sequentially from 0.

0, 1, 2350, 11375145, 137409486772, 3537141103745065, 173357342638694530002, 14844736259829478729001905

Offset

1,3

Comments

Column 5 of A264945.

Links

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

Example

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

Crossrefs

Cf. A264945.

Sequence in context: A281697 A045306 A351229 * A224684 A198047 A179137

Adjacent sequences: A264940 A264941 A264942 * A264944 A264945 A264946

Keyword

nonn

Author

R. H. Hardin, Nov 29 2015

Status

approved