login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons 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 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A266059 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself. 1
1, 819, 120, 41919, 27764427, 1550545435, 117167373425, 15587739999833, 1943173605444535, 208126602248667993, 22518608197762742166, 2535857557129176298847, 285358444796155891907361 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A266055.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..164

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A266055.

Sequence in context: A221748 A105989 A332181 * A020445 A143252 A200565

Adjacent sequences:  A266056 A266057 A266058 * A266060 A266061 A266062

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2015

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 December 7 12:17 EST 2021. Contains 349581 sequences. (Running on oeis4.)