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!)
A201274 Number of nX5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
3, 16, 21, 199, 556, 442, 2827, 5680, 3651, 19960, 35039, 19820, 96084, 151800, 78205, 354360, 525467, 255143, 1089594, 1531163, 707770, 2908481, 3937393, 1758805, 6976823, 9145189, 3964264, 15328243, 19618905, 8309214, 31406219, 39327693 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A201277

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..141

EXAMPLE

Some solutions for n=6

..0..0..0..0..0....0..0..0..0..2....0..0..0..0..0....0..0..0..0..0

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

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

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

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

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

CROSSREFS

Sequence in context: A346072 A218625 A028687 * A101132 A153723 A091273

Adjacent sequences: A201271 A201272 A201273 * A201275 A201276 A201277

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 29 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 March 31 17:43 EDT 2023. Contains 361670 sequences. (Running on oeis4.)