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!)
A201028 Number of nX3 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 1
17, 41, 296, 4238, 3602, 249211, 1055902, 8657121, 141222119, 127874916, 9959532190, 42952255903, 362588593757, 6102371958391, 5510612701449, 446546458762938, 1940123176320382, 16627869936250796, 282670200216013184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A201033

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A269425 A164602 A078847 * A328022 A287308 A355700

Adjacent sequences: A201025 A201026 A201027 * A201029 A201030 A201031

KEYWORD

nonn

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 | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 23 10:25 EDT 2023. Contains 361443 sequences. (Running on oeis4.)