[go: up one dir, main page]
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!)
A203053 Number of nX4 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
161, 177290, 125838722, 78243755382, 50221974160730, 32577032228308750, 21056749683696452598, 13600371239866122117034, 8787864979191134277097374, 5678542289359508570256255314, 3669202681086636879838661622572 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A203057
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..2..1..3..2....1..5..0..0....0..3..2..4....5..4..0..2....5..3..3..3
..5..3..3..5....3..5..3..4....2..5..4..4....5..5..5..4....5..0..0..3
..5..0..1..5....3..1..0..4....1..5..2..3....1..0..1..1....0..4..0..3
..3..5..3..2....5..4..0..3....5..1..4..5....3..3..5..3....5..4..5..4
..2..5..0..2....5..0..2..2....5..5..4..5....3..5..5..3....5..1..5..0
CROSSREFS
Sequence in context: A272355 A278891 A232294 * A232367 A232308 A232458
Adjacent sequences: A203050 A203051 A203052 * A203054 A203055 A203056
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 28 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 August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)