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!)
A281163 Number of nX6 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
0, 346, 17806, 136138, 865821, 4716420, 22796763, 102696802, 438513869, 1799338352, 7158291149, 27787053444, 105726471706, 395690330122, 1460576127556, 5328417840400, 19243721441580, 68891667482710 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A281165.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1..0..0. .0..1..0..0..0..1. .0..0..0..0..0..1. .0..1..1..1..0..1
..0..1..0..0..1..1. .0..1..1..1..0..0. .1..1..1..0..1..0. .0..0..0..1..1..0
..0..0..1..1..0..0. .0..1..0..0..0..1. .0..1..0..0..0..1. .1..1..1..1..0..1
..1..0..0..1..1..0. .0..0..1..1..1..1. .1..0..1..1..1..1. .0..0..0..0..0..1
CROSSREFS
Cf. A281165.
Sequence in context: A045102 A225934 A287700 * A059074 A273805 A142907
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 16 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)