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!)
A240782 Number of nX7 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order 1
1, 22, 472, 9581, 226532, 5228820, 121621207, 2827515311, 65742420202, 1528546759636, 35539596883248, 826313572773202, 19212201839186636, 446693206688680120, 10385838163314549709, 241475873187832394155 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A240783
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0..1..0..1....0..0..1..1..0..0..1....0..1..1..0..1..1..0
..1..1..1..0..1..0..1....0..0..1..1..0..0..0....1..1..1..0..1..1..0
..1..1..0..1..0..0..1....0..1..0..1..1..0..0....1..1..1..0..1..0..0
..1..1..0..1..0..0..1....0..1..0..1..1..0..1....0..1..1..0..1..0..1
CROSSREFS
Sequence in context: A218724 A276644 A139228 * A261135 A158535 A171327
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2014
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 26 04:31 EDT 2024. Contains 372807 sequences. (Running on oeis4.)