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!)
A232321 Number of (5+1) X (n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero. 1
89, 2640, 90157, 3815483, 161243887, 6736602042, 281959315373, 11801434817942, 493946679273719, 20673894894951135, 865297397287880776, 36216658523348672068, 1515833034012979726393, 63444555196518747182748 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A232316.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0....0..0..0..1....0..0..1..1....0..0..1..1....0..0..1..0
..0..1..0..0....0..0..1..1....0..1..1..0....1..1..1..0....1..1..0..1
..1..1..1..1....0..1..1..1....1..0..0..1....1..0..0..0....1..0..1..1
..0..0..0..0....0..0..0..0....1..1..1..0....1..1..1..0....0..1..1..0
..1..1..1..0....1..1..0..0....0..0..0..1....1..1..0..0....0..0..0..0
..1..1..0..0....1..1..0..0....0..1..1..1....1..1..0..0....0..0..0..0
CROSSREFS
Cf. A232316.
Sequence in context: A054680 A189453 A197362 * A264161 A264068 A189020
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 22 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 February 21 16:55 EST 2024. Contains 370237 sequences. (Running on oeis4.)