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!)
A232344 Number of (n+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor 0
21, 5309, 6753291, 78572361735, 8085496134786969, 7094381639133025682975, 53109062021406984304908116217 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A232352
LINKS
EXAMPLE
Some solutions for n=2
..0..0..0....1..0..0....1..2..0....0..0..1....0..2..0....1..2..2....1..2..2
..0..2..0....1..2..1....1..2..0....0..1..0....2..0..1....2..0..0....0..0..2
..1..0..2....2..0..0....2..2..1....1..1..1....0..0..0....1..1..0....1..1..2
CROSSREFS
Sequence in context: A220620 A221120 A203370 * A074053 A220552 A275053
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 22 2013
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 March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)