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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A286212 Number of nX4 0..1 arrays with the number of 1s king-move adjacent to some 0 two less than the number of 0s adjacent to some 1. 1
0, 62, 684, 10056, 141018, 2053994, 30004158, 443275636, 6591532114, 98620717026, 1483077002788, 22402256622648, 339716751362128, 5169528508115318, 78910865975553660, 1207934007828690708, 18537787151292561428 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A286216.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..186

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A286216.

Sequence in context: A249531 A069966 A290285 * A196413 A131473 A138408

Adjacent sequences:  A286209 A286210 A286211 * A286213 A286214 A286215

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 04 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 April 22 06:14 EDT 2019. Contains 322329 sequences. (Running on oeis4.)