login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A231380 Number of nX6 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors 1
21, 261, 6126, 120124, 2547810, 54485279, 1157805351, 24615811883, 523548909308, 11133382117666, 236751472446562, 5034642562404119, 107064153494511600, 2276766498890520783, 48416455811053263714, 1029597712238409457187 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A231382

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0..0..0..0..1..0....0..1..0..0..1..0....0..1..1..1..0..0....0..0..1..0..0..0

..1..0..0..0..1..0....0..0..0..0..1..0....0..0..0..0..0..0....1..0..0..0..0..0

..0..0..0..1..1..0....1..0..0..1..1..0....0..1..1..0..0..0....1..1..0..0..1..0

CROSSREFS

Sequence in context: A323972 A125433 A135122 * A045505 A169895 A092794

Adjacent sequences:  A231377 A231378 A231379 * A231381 A231382 A231383

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 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 May 22 06:32 EDT 2019. Contains 323478 sequences. (Running on oeis4.)