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!)
A304354 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero. 1
21, 289, 280, 4370, 34887, 445745, 9176798, 160397426, 2593742186, 49371354839, 908899582912, 16074992228393, 295578528424499, 5422250103851024, 98300554690294042, 1794609057854976519, 32811799818799674273 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A304355.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304355.

Sequence in context: A025971 A346844 A188710 * A305917 A316238 A317159

Adjacent sequences:  A304351 A304352 A304353 * A304355 A304356 A304357

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 11 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 30 13:02 EDT 2022. Contains 357105 sequences. (Running on oeis4.)