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!)
A302319 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
16, 136, 519, 3559, 20686, 110035, 659949, 3834162, 21619209, 125759301, 728487588, 4178486509, 24137288153, 139551131994, 804265070921, 4640730688697, 26804969538102, 154673453289555, 892538049899287 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A302322.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0. .0..1..1..1..1. .0..0..0..1..1. .0..0..1..1..1
..0..0..1..0..0. .0..0..1..0..1. .0..1..0..0..0. .0..0..1..0..1
..1..0..1..1..1. .0..0..0..0..0. .0..1..1..1..0. .0..1..0..0..1
..1..1..0..0..1. .0..1..1..1..1. .0..0..0..1..0. .1..1..0..0..1
..1..1..0..1..1. .0..1..1..1..1. .1..1..0..1..1. .0..0..1..0..1
CROSSREFS
Cf. A302322.
Sequence in context: A139616 A304506 A187175 * A303013 A059421 A231766
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 05 2018
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 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)