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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A189340 Number of n X 6 binary arrays without the pattern 1 0 0 1 diagonally, vertically, antidiagonally or horizontally. 1
52, 2704, 140608, 3988168, 109746642, 2650369322, 68439605144, 1732402041622, 45288523287014, 1169200527259744, 30459419241960870, 788089712516187485, 20460101431991974234, 529811400562012142385, 13741195617567627797520 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A189343.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..116

EXAMPLE

Some solutions for 4 X 6:

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

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

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

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

CROSSREFS

Sequence in context: A262272 A189908 A189902 * A189776 A189158 A042301

Adjacent sequences:  A189337 A189338 A189339 * A189341 A189342 A189343

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 20 2011

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 November 15 13:56 EST 2019. Contains 329149 sequences. (Running on oeis4.)