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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A207356 Number of nX6 0..2 arrays avoiding the pattern z+1 z+1 z horizontally and z-1 z-1 z vertically 1
523, 273529, 92438519, 30147535858, 9745296760510, 3146529377348628, 1017721314783737845, 329279181493028650609, 106564464913380618795702, 34488953876948088360689832, 11162315714416352433287306901 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A207358

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A207212 A207206 A206732 * A207199 A045209 A249286

Adjacent sequences:  A207353 A207354 A207355 * A207357 A207358 A207359

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 17 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified November 23 16:18 EST 2014. Contains 249851 sequences.