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!)
A283855 Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors. 1
64, 3444, 131617, 5742620, 247708452, 10634931992, 457711375590, 19691576356912, 847128290367194, 36444929121796824, 1567908124985085704, 67453445523667228919, 2901937047259631494910, 124845166900328034875120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A283857.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Cf. A283857.

Sequence in context: A299674 A299752 A300266 * A283413 A264210 A264221

Adjacent sequences:  A283852 A283853 A283854 * A283856 A283857 A283858

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 17 2017

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 January 18 00:56 EST 2022. Contains 350410 sequences. (Running on oeis4.)