login
This site is supported by donations 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

R. H. Hardin, Table of n, a(n) for n = 1..24

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 * A012351 A189883 A033469

Adjacent sequences:  A222699 A222700 A222701 * A222703 A222704 A222705

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 18 18:52 EDT 2019. Contains 324215 sequences. (Running on oeis4.)