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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A203539 Number of nX5 0..2 arrays with every element neighboring horizontally or vertically both a 0 and a 1 1
0, 64, 1840, 30976, 1700580, 46485124, 1680210240, 56191754304, 1898704490980, 64488576908484, 2178774976790208, 73775014607038096, 2496772163852959252, 84495658280798176036, 2859840508384744419504, 96787655134946736339600 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A203542

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A264275 A283689 A226010 * A116133 A010841 A226558

Adjacent sequences:  A203536 A203537 A203538 * A203540 A203541 A203542

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 | 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.)