login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A188753 Number of 8Xn binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally 1
149, 22201, 1617326, 148041805, 13666030547, 1229158478968, 111642244016936, 10143499802360135, 920790924506170069, 83620597537361329902, 7594234703661480583759, 689675447630925638390079 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 8 of A188747

LINKS

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

EXAMPLE

Some solutions for 8X3

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A243530 A219081 A188566 * A188873 A215689 A104262

Adjacent sequences:  A188750 A188751 A188752 * A188754 A188755 A188756

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 09 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 May 18 05:16 EDT 2021. Contains 343994 sequences. (Running on oeis4.)