login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A231513 Number of nX6 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors 1
21, 225, 7505, 158061, 3691558, 97188562, 2438335793, 59978232085, 1495872774439, 37400468849958, 931855284393627, 23216141094837966, 578870789698009393, 14432095381737047068, 359752524394488055054 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A231515

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A171108 A219439 A219140 * A332908 A027508 A221037

Adjacent sequences:  A231510 A231511 A231512 * A231514 A231515 A231516

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 09 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 September 20 23:04 EDT 2021. Contains 347596 sequences. (Running on oeis4.)