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!)
A232362 Number of n X n 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically 0
1, 23, 2411, 1704619, 8716796353, 316516682114845, 81520970965131916225, 149039167947057559464970099 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Diagonal of A232368
LINKS
EXAMPLE
Some solutions for n=3
..2..1..1....2..0..2....0..0..2....0..1..1....1..1..2....2..0..2....2..2..1
..0..1..2....2..1..1....1..1..2....0..2..2....2..2..2....1..1..2....1..2..0
..2..1..1....2..0..2....2..2..1....1..2..1....2..1..1....0..2..2....2..1..0
CROSSREFS
Sequence in context: A132937 A068655 A336170 * A233226 A233446 A088385
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 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 12 12:19 EDT 2024. Contains 374247 sequences. (Running on oeis4.)