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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A189304 Number of n X n array permutations with each element moving zero or one space diagonally, horizontally or vertically 0
1, 14, 960, 654049, 3373180708, 146610388175180, 52114841233680255776, 153220700522675894994117846 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A189312

LINKS

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

EXAMPLE

Some solutions for 3X3

..3..2..1....1..0..2....0..1..2....3..2..1....0..1..5....3..5..1....4..0..2

..0..4..8....7..5..8....7..4..5....6..0..5....4..8..2....0..4..2....7..3..1

..7..6..5....3..6..4....3..6..8....7..4..8....3..6..7....7..6..8....6..8..5

CROSSREFS

Sequence in context: A055152 A171183 A064729 * A123178 A208318 A349737

Adjacent sequences: A189301 A189302 A189303 * A189305 A189306 A189307

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 19 2011

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 6 15:33 EST 2022. Contains 358644 sequences. (Running on oeis4.)