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!)
A241135 Number of nX4 0..2 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..2 introduced in row major order 1
2, 17, 152, 1670, 19619, 238607, 2939027, 36470565, 454209512, 5665536042, 70725144550, 883230404813, 11031990457193, 137807268659287, 1721508492588267, 21505781617159089, 268661629731046770 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A241138
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..0..0..1....0..0..0..1....0..0..1..1....0..0..1..1
..0..2..0..0....1..1..2..1....2..2..2..1....2..2..2..2....1..1..2..2
..0..2..1..1....2..2..2..2....0..2..0..0....0..1..1..1....0..2..0..1
..2..2..2..2....1..1..0..0....0..2..1..1....0..2..2..2....0..2..0..1
CROSSREFS
Sequence in context: A295946 A176934 A126037 * A112321 A362477 A276198
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 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 March 1 17:48 EST 2024. Contains 370442 sequences. (Running on oeis4.)