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!)
A223761 Number of nX7 0..3 arrays with rows, antidiagonals and columns unimodal 0
1163, 1352569, 477860225, 70657105931, 5733827943118, 298630624023222, 10962346407561257, 301938629597593741, 6529314611297747401, 114748898336983659524 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223762

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A224049 A224280 A224203 * A223875 A223849 A223800

Adjacent sequences:  A223758 A223759 A223760 * A223762 A223763 A223764

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 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 July 1 15:38 EDT 2022. Contains 354973 sequences. (Running on oeis4.)