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!)
A266058 Number of 4Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself. 1
1, 176, 54, 4203, 624720, 14337385, 454759923, 21604580859, 889621457229, 33237230186321, 1314156961424515, 52670841452643068, 2069568617113158340, 81449577335786082237, 3221788440314018526529, 127237760114049369621749 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 4 of A266055.
LINKS
EXAMPLE
Some solutions for n=4
..0..3..3..0....1..0..3..0....1..1..3..0....1..0..3..0....1..0..3..0
..0..2..4..0....1..2..3..1....2..2..4..0....2..1..4..0....2..1..4..1
..2..0..4..0....0..4..1..2....0..4..2..2....0..4..3..1....1..4..0..1
..2..0..3..0....0..3..1..1....0..3..1..1....0..3..0..1....0..2..3..0
CROSSREFS
Cf. A266055.
Sequence in context: A212946 A172685 A344280 * A261678 A136603 A114824
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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 22 17:34 EDT 2024. Contains 371905 sequences. (Running on oeis4.)