login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A238029 Number of (3+2)X(n+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors 1
260, 4730, 38612, 793252, 5924312, 126809722, 925685972, 20101505132, 146575894280, 3194747877980, 23456317323896, 510766808846456, 3786696887418320, 82210210212664250, 615846898245378260 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A238026

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..27

EXAMPLE

Some solutions for n=3

..0..0..0..0..1....0..1..1..1..1....0..0..0..0..0....1..1..1..1..1

..0..1..1..1..0....1..0..0..1..0....0..1..1..0..1....0..1..0..1..0

..0..0..0..0..0....1..1..1..0..1....0..0..1..0..0....1..0..1..0..1

..0..1..1..0..1....1..1..0..0..0....1..0..0..1..1....0..0..0..0..1

..1..0..0..1..0....0..0..1..1..1....1..0..0..1..0....1..1..1..1..1

CROSSREFS

Sequence in context: A108109 A235905 A287923 * A264254 A254647 A168187

Adjacent sequences:  A238026 A238027 A238028 * A238030 A238031 A238032

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 18 19:58 EDT 2021. Contains 344002 sequences. (Running on oeis4.)