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!)
A305173 Number of nX6 0..1 arrays with every element unequal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
0, 209, 543, 13970, 218476, 2549718, 40793823, 587542013, 8317497391, 122410918154, 1769703359532, 25611323679926, 372124817557660, 5393189658763700, 78206120530424501, 1134400785272299908 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A305175.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305175.

Sequence in context: A305507 A211672 A250780 * A316761 A260011 A203048

Adjacent sequences: A305170 A305171 A305172 * A305174 A305175 A305176

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 26 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 27 02:29 EDT 2023. Contains 361553 sequences. (Running on oeis4.)