The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A207744 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically 1
22, 484, 5302, 58081, 733363, 9259849, 113534330, 1392036100, 17213677390, 212861354161, 2624875417711, 32368350683761, 399547127975296, 4931913554477056, 60855630257333632, 750906862642685329 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A207741
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1....0..1..1..1....0..1..1..1....1..1..1..1....1..0..0..1
..0..0..1..1....0..1..1..0....1..0..1..1....1..1..1..1....1..1..0..1
..0..1..1..0....0..1..1..1....0..1..1..1....1..1..1..1....1..1..0..1
..0..1..1..1....0..0..1..1....1..0..0..1....1..1..1..1....1..1..0..1
..0..1..1..1....0..1..1..1....1..1..1..0....1..0..1..1....1..0..0..1
..0..0..1..1....0..0..1..1....1..1..0..1....1..1..1..1....1..1..0..1
CROSSREFS
Sequence in context: A262469 A207446 A223642 * A207721 A223737 A223635
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 19 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 June 3 05:44 EDT 2024. Contains 373054 sequences. (Running on oeis4.)