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!)
A199228 Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or one horizontal or vertical neighbors 0
15, 1538, 108608, 9196334, 792389959, 70698654245, 6443389324257, 597038658964877, 56047378745263409 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A199230
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2..1..1..0....0..1..2..2..1..1....0..1..2..1..2..2....0..1..0..2..1..2
..0..1..2..0..2..1....0..2..1..0..2..2....0..1..2..0..1..0....0..1..2..1..2..1
..1..2..1..2..0..2....1..0..2..2..0..1....1..0..0..2..1..2....1..0..2..0..1..0
..0..2..0..1..0..2....0..1..0..0..1..2....0..2..2..1..0..1....0..2..0..2..1..2
CROSSREFS
Sequence in context: A209680 A122469 A119784 * A344638 A209681 A209682
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
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 4 09:05 EST 2024. Contains 370528 sequences. (Running on oeis4.)