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!)
A250822 Number of (n+2) X (3+2) 0..1 arrays with nondecreasing maximum minus minimum of every three consecutive values in every row and column. 1
13824, 176184, 2040816, 20732624, 200874408, 1873942536, 17157277544, 155136190168, 1393116306944, 12456789266800, 111112629202296, 989654662793656, 8807137316538216, 78337133410864568, 696584179015764256 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A250826.
LINKS
EXAMPLE
Some solutions for n=2
..1..0..1..0..0....1..0..0..1..0....0..1..0..0..1....0..0..1..0..1
..0..0..1..0..0....0..1..1..0..0....1..1..0..1..1....1..0..1..0..1
..0..0..0..0..1....1..0..0..1..1....1..0..1..1..0....0..0..0..0..1
..1..1..1..0..1....1..1..1..0..0....0..0..1..0..1....0..0..1..0..1
CROSSREFS
Cf. A250826.
Sequence in context: A208487 A188102 A109102 * A250499 A013821 A013912
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 27 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 June 24 18:44 EDT 2024. Contains 373688 sequences. (Running on oeis4.)