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!)
A219456 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX4 array 1
20, 26, 498, 3422, 27967, 197308, 1324860, 8405212, 51417327, 303703636, 1731421125, 9525742325, 50654533963, 260914306516, 1304341448963, 6337774514024, 29964888604613, 137989085373438, 619551753355165 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A219460
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..2....0..0..1..1....1..1..1..2....0..0..1..2....0..0..0..3
..0..0..0..2....0..0..1..1....1..1..1..2....0..0..1..2....0..0..0..2
..1..1..1..2....2..2..1..1....1..1..1..3....2..2..2..3....2..2..2..2
CROSSREFS
Sequence in context: A280307 A101070 A219805 * A248787 A070717 A114813
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 20 2012
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 19 01:22 EDT 2024. Contains 370952 sequences. (Running on oeis4.)