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!)
A237764 Number of (2+2)X(n+2) 0..2 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors 0
18816, 357444, 16126704, 300701196, 14468118864, 260160994276, 13414782035184, 231383893696428, 12760991788116816, 211238869654272588, 12389307592374102960 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 2 of A237762

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=1

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

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

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

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

CROSSREFS

Sequence in context: A269765 A272401 A236015 * A330839 A243134 A212077

Adjacent sequences:  A237761 A237762 A237763 * A237765 A237766 A237767

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2014

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 August 17 19:38 EDT 2022. Contains 356189 sequences. (Running on oeis4.)