The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A203275 Number of nX6 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor 1
1, 2229009, 38204132307, 273475278673606, 1710751676209296372, 11855913847814563858262, 85442744497742460143930997, 607427531129462041273525413209, 4283331067191055533724625325231407 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A203277
LINKS
EXAMPLE
Some solutions for n=4
..1..5..3..0..2..3....2..3..3..1..2..4....1..2..5..3..1..3....1..2..0..3..2..2
..2..5..5..3..0..3....2..3..4..0..5..4....5..0..5..3..3..5....1..2..4..3..5..3
..5..0..2..4..3..3....1..5..4..1..5..5....5..2..5..5..5..5....4..0..4..5..5..3
..5..5..3..3..3..3....5..5..5..2..1..4....5..5..0..2..4..5....4..4..4..4..5..4
CROSSREFS
Sequence in context: A172802 A172851 A250980 * A034608 A224628 A224629
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 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 May 20 23:09 EDT 2024. Contains 372720 sequences. (Running on oeis4.)