login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A304702 Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
5, 165, 103, 798, 5232, 47440, 296646, 2733069, 26024851, 201787639, 1816538401, 16564524559, 138289503554, 1229262208629, 10936054664014, 93981425527645, 829519231541114, 7309156980531674, 63553491773708500, 558911166353330443 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A304704.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304704.

Sequence in context: A247468 A304056 A305450 * A316453 A305013 A316646

Adjacent sequences:  A304699 A304700 A304701 * A304703 A304704 A304705

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 17 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 21 00:49 EDT 2019. Contains 325189 sequences. (Running on oeis4.)