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!)
A188746 Number of nX8 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally 1
256, 65536, 2227333, 217243096, 20939826298, 1458401558672, 122293738629021, 10143499802360135, 801618812875139251, 65318162143525733827, 5304356577782619235403, 427773556302789402791981 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 8 of A188747

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..114

EXAMPLE

Some solutions for 3X8

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

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

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

CROSSREFS

Sequence in context: A016748 A189623 A189695 * A188998 A189116 A189070

Adjacent sequences:  A188743 A188744 A188745 * A188747 A188748 A188749

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 June 22 20:16 EDT 2021. Contains 345388 sequences. (Running on oeis4.)