login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A189699 Number of 6Xn binary arrays without the pattern 0 0 1 diagonally, vertically or antidiagonally 1
33, 1089, 20316, 370045, 7174919, 140346362, 2748122586, 53801184855, 1053901033470, 20648231159172, 404572006660088, 7927242763654571, 155332036036173579, 3043718021008444561, 59641726902710453442 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A189696

LINKS

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

EXAMPLE

Some solutions for 6X3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A189261 A206892 A188760 * A207092 A188989 A189199

Adjacent sequences: A189696 A189697 A189698 * A189700 A189701 A189702

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 25 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 December 8 21:28 EST 2022. Contains 358698 sequences. (Running on oeis4.)