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!)
A224056 Number of nX7 0..2 arrays with rows and columns unimodal and antidiagonals nondecreasing 1
239, 10511, 164781, 1442005, 9064541, 46853641, 212819499, 880290006, 3395883003, 12434367863, 43748614669, 149023329961, 493368821453, 1589792417862, 4986883506257, 15223339574692, 45212829646621 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A224057

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..58

R. H. Hardin, Empirical polynomial of degree 28

FORMULA

Empirical polynomial of degree 28 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223917 A224189 A223932 * A224309 A224373 A278852

Adjacent sequences:  A224053 A224054 A224055 * A224057 A224058 A224059

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 30 2013

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 May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)