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!)
A205759 Number of 8X(n+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order 0
383440, 3602578, 29561841, 341919297, 3496020388, 45262306396, 528507252157, 7409837678586, 95546688005488, 1427488689168257 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A205753

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A273772 A206365 A271323 * A205589 A157843 A206167

Adjacent sequences:  A205756 A205757 A205758 * A205760 A205761 A205762

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 30 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 28 04:36 EDT 2020. Contains 334671 sequences. (Running on oeis4.)