The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A297975 Number of nX5 0..1 arrays with every element equal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
0, 17, 124, 1042, 18037, 242401, 3565760, 52222182, 765460393, 11253972992, 165400929373, 2431933880974, 35759258361744, 525820993876810, 7732091729068983, 113699273672915816, 1671937140248538469 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A297978.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0. .0..0..0..1..1. .0..1..1..0..0. .0..0..0..0..0
..1..0..1..0..0. .0..1..1..0..1. .0..0..1..0..1. .0..1..0..1..0
..1..1..0..1..1. .1..1..1..0..1. .1..1..0..1..1. .1..0..1..1..1
..1..1..0..0..1. .0..1..0..1..0. .1..0..0..1..1. .0..1..1..0..0
..1..0..0..0..0. .0..0..0..0..0. .1..1..0..0..1. .0..0..0..0..0
CROSSREFS
Cf. A297978.
Sequence in context: A196313 A196286 A196336 * A023081 A056122 A036828
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 10 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 May 24 11:59 EDT 2024. Contains 372773 sequences. (Running on oeis4.)