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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201033 T(n,k)=Number of nXk 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 8
5, 10, 10, 17, 10, 17, 15, 41, 41, 15, 8, 295, 296, 295, 8, 61, 159, 4238, 4238, 159, 61, 206, 4587, 3602, 30157, 3602, 4587, 206, 410, 8476, 249211, 96844, 96844, 249211, 8476, 410, 426, 33401, 1055902, 6814915, 2579473, 6814915, 1055902, 33401, 426 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

...5.....10........17.........15..........8..........61........206.........410

..10.....10........41........295........159........4587.......8476.......33401

..17.....41.......296.......4238.......3602......249211....1055902.....8657121

..15....295......4238......30157......96844.....6814915..221032490..3642791292

...8....159......3602......96844....2579473....78447852.2410888256.76028824895

..61...4587....249211....6814915...78447852.21586894705

.206...8476...1055902..221032490.2410888256

.410..33401...8657121.3642791292

.426.272191.141222119

.228.128622

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..71

EXAMPLE

Some solutions for n=5 k=3

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

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

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

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

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

CROSSREFS

Column 1 is A200940

Sequence in context: A038671 A101866 A226992 * A242894 A032242 A208541

Adjacent sequences:  A201030 A201031 A201032 * A201034 A201035 A201036

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Nov 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 December 20 03:02 EST 2014. Contains 252240 sequences.