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!)
A200853 Number of nX3 0..4 arrays with every row and column running average nondecreasing rightwards and downwards 1
42, 647, 8535, 103528, 1194898, 13295014, 144195756, 1532754468, 16036647028, 165590166035, 1691004116711, 17103881636663, 171555367761442, 1708005328930678, 16892696764660692, 166083227626724726 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A200858

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..39

EXAMPLE

Some solutions for n=4

..0..0..2....0..1..2....0..0..1....0..1..1....0..0..0....0..2..2....0..0..0

..0..0..2....0..1..3....0..1..1....2..3..4....2..2..4....0..4..3....0..3..4

..4..4..4....1..3..4....3..4..4....1..3..3....2..2..4....2..3..3....1..2..4

..2..3..4....3..3..4....3..4..4....1..3..4....3..3..4....1..4..3....4..4..4

CROSSREFS

Sequence in context: A091962 A269659 A007746 * A214945 A159947 A330845

Adjacent sequences: A200850 A200851 A200852 * A200854 A200855 A200856

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 23 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 April 2 02:53 EDT 2023. Contains 361723 sequences. (Running on oeis4.)