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!)
A231649 Number of nX6 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors 1
121, 4040, 490760, 42882766, 3936913977, 374409597564, 35384751611050, 3335789961947404, 314852421269523851, 29721381118553717447, 2805039910196136173308, 264733396758705184183618 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A231651

LINKS

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

EXAMPLE

Some solutions for n=3

..2..0..0..0..2..2....0..0..0..0..0..0....0..1..2..2..2..1....2..0..0..0..0..0

..0..0..0..0..0..1....0..2..2..0..0..0....0..1..0..0..0..1....0..0..0..0..0..2

..0..2..0..0..0..1....0..2..2..0..0..2....0..1..0..0..0..2....0..2..2..2..2..2

CROSSREFS

Sequence in context: A014758 A069600 A244065 * A212802 A272775 A018849

Adjacent sequences:  A231646 A231647 A231648 * A231650 A231651 A231652

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 12 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 18 23:58 EDT 2021. Contains 344009 sequences. (Running on oeis4.)