A265240 Number of n X 5 arrays of permutations of 5 copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.

1, 16, 8880, 29189088, 284341627344, 6395116792255680, 285689982691389531024

Offset

1,2

Comments

Column 5 of A265241.

Links

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

Example

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

Crossrefs

Cf. A265241.

Sequence in context: A366361 A265177 A151641 * A221137 A006448 A017092

Adjacent sequences: A265237 A265238 A265239 * A265241 A265242 A265243

Keyword

nonn

Author

R. H. Hardin, Dec 06 2015

Status

approved