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!)
A188613 Number of 8Xn binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally 1
88, 7744, 165506, 2925040, 52884231, 919272280, 15651179908, 260970703443, 4300360372354, 70130618145688, 1136591420736796, 18325387673235042, 294484831915118120, 4719745235890254821, 75508745229294132673 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 8 of A188607

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 8X3

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A197321 A004391 A281985 * A188606 A188850 A188857

Adjacent sequences:  A188610 A188611 A188612 * A188614 A188615 A188616

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 05 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 9 09:22 EDT 2022. Contains 356021 sequences. (Running on oeis4.)