login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A267343 Number of nX(n+4) arrays of permutations of n+4 copies of 0..n-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo n and the upper left element equal to 0. 0
1, 462, 222, 1220, 14328, 401459, 21319105, 2025457429 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Superdiagonal 4 of A267338.

LINKS

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

EXAMPLE

Some solutions for n=4

..0..1..1..1..2..3..3..0....0..1..2..3..0..0..1..1....0..1..2..3..3..3..0..1

..0..1..1..2..2..3..3..0....1..2..2..3..0..0..1..2....1..2..2..3..3..0..0..1

..0..1..2..2..2..3..3..0....1..2..3..0..0..1..2..3....2..2..3..3..0..0..1..1

..0..1..2..2..3..3..0..1....2..3..3..0..1..2..3..3....2..2..3..0..0..1..1..2

CROSSREFS

Cf. A267338.

Sequence in context: A348899 A094380 A267404 * A267396 A258962 A267332

Adjacent sequences:  A267340 A267341 A267342 * A267344 A267345 A267346

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 13 2016

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 20 03:25 EST 2022. Contains 350467 sequences. (Running on oeis4.)