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!)
A189611 Number of n X n binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally. 0
2, 16, 292, 8496, 532565, 118571483, 61652076124, 52939317116118, 90112326418652948, 433430536108638364008, 5597804841379220076966699 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A189617.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for 3 X 3

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

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

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

CROSSREFS

Cf. A189617.

Sequence in context: A182562 A112722 A223664 * A189689 A188740 A259647

Adjacent sequences:  A189608 A189609 A189610 * A189612 A189613 A189614

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 24 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 May 19 04:20 EDT 2022. Contains 353826 sequences. (Running on oeis4.)