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!)
A163728 Number of nX7 binary arrays with all 1s connected, a path of 1s from left column to right column, and no 1 having more than two 1s adjacent 0
1, 68, 1080, 12865, 132342, 1122855, 8379953 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..7.
CROSSREFS
Sequence in context: A281049 A264316 A251939 * A168179 A283575 A231060
Adjacent sequences: A163725 A163726 A163727 * A163729 A163730 A163731
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 03 2009
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 9 16:14 EDT 2024. Contains 373248 sequences. (Running on oeis4.)