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!)
A205271 Number of (n+2)X8 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order 1
4285989, 686818023, 109752541538, 17296548519787, 2736913657929574, 433101439309430572, 68514158629820422369, 10839389328727316878809, 1714870603504177193636949, 271303150391768215905444630 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A205273
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0..1..0..1..1....0..0..1..1..1..1..0..1....0..0..1..1..0..0..0..0
..1..1..1..0..1..1..1..1....0..1..0..1..0..0..0..1....1..0..1..0..0..0..0..1
..0..0..1..0..0..0..1..0....1..1..1..1..0..0..0..1....1..0..1..0..1..0..1..1
..0..0..1..1..1..1..1..0....1..1..0..0..0..0..1..0....1..1..1..1..1..1..1..1
..0..1..1..1..1..0..0..0....1..0..0..1..0..1..1..1....1..1..1..1..1..1..1..0
CROSSREFS
Sequence in context: A159714 A232351 A210308 * A234168 A015349 A210403
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 2012
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 March 29 02:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)