login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A203540 Number of nX6 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1 1
0, 196, 10404, 614656, 46485124, 3743237124, 257720706244, 20056281523776, 1492411644481536, 112070612773938064, 8426586286656023616, 632681292075367516804, 47524857928919914127524, 3570176077491731508417600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A203542

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..73

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A185900 A285922 A285858 * A006362 A035834 A114761

Adjacent sequences:  A203537 A203538 A203539 * A203541 A203542 A203543

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 02 2012

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 25 10:05 EDT 2022. Contains 354066 sequences. (Running on oeis4.)