login
This site is supported by donations to The OEIS Foundation.

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A202913 Number of nX5 0..7 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
1856, 44344428, 622483753816, 7102116597811456, 83625724607330716008, 1004339501638090612860422, 12023921497279230314645570796, 143695582305519870612690715284610, 1717901899177549261333129206749068244 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A202916

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..33

EXAMPLE

Some solutions for n=4

..6..2..2..0..3....4..0..7..0..1....1..1..5..5..2....1..3..2..6..0

..6..6..2..2..5....4..2..7..2..6....2..0..1..4..0....3..3..4..6..6

..6..2..2..5..5....1..4..7..6..6....4..4..7..1..5....6..0..6..0..4

..3..2..3..5..1....0..2..3..7..7....4..2..7..0..5....6..3..6..3..0

CROSSREFS

Sequence in context: A243236 A051355 A064978 * A159212 A120809 A213868

Adjacent sequences:  A202910 A202911 A202912 * A202914 A202915 A202916

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 26 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified September 1 03:55 EDT 2014. Contains 246282 sequences.