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!)
A222702 Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order 1
12, 236, 2609, 73901, 1025809, 32501123, 477839646, 15677424850, 236833178725, 7904715597566, 121438163564977, 4094640448127069, 63601112273659110, 2158997133088119204, 33792045749087345628, 1152566124703075253626 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A222703
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..0..1..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..1..0..0..0
..0..0..0..0..0..1..1....1..0..0..1..0..1..0....0..0..1..1..1..1..0
CROSSREFS
Sequence in context: A303487 A280071 A279610 * A352700 A012351 A189883
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 28 2013
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 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)