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!)
A298580 Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
5, 49, 113, 844, 3284, 16521, 90381, 457878, 2383346, 12834179, 68034896, 360124819, 1923634836, 10262125104, 54658517756, 291557084959, 1555797575002, 8298896752343, 44272773568783, 236226451253835, 1260403679006659 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A298582.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..0..1..1..1..0. .0..1..1..1..1..0. .0..1..0..1..0..0. .0..1..0..1..0..1

..1..1..0..0..0..1. .1..0..0..0..0..1. .1..0..0..1..1..1. .0..0..1..0..1..0

..0..0..0..0..0..1. .1..0..0..0..0..1. .1..0..1..0..1..0. .1..1..0..1..0..1

..0..1..0..1..0..1. .1..0..1..0..0..1. .1..0..0..0..0..1. .0..0..0..0..0..1

..1..1..0..1..0..0. .0..1..0..1..1..0. .0..0..0..0..1..0. .1..1..0..0..0..0

CROSSREFS

Cf. A298582.

Sequence in context: A299610 A297957 A298773 * A299572 A266127 A343690

Adjacent sequences:  A298577 A298578 A298579 * A298581 A298582 A298583

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 22 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 September 29 07:07 EDT 2022. Contains 357082 sequences. (Running on oeis4.)