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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A205900 Number of 8X(n+1) 0..2 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 0
2913944, 614898304, 148827007430, 34411101807016, 7771632134436102, 1779010729295626558 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A205894

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A246054 A251247 A205292 * A071369 A238179 A205095

Adjacent sequences:  A205897 A205898 A205899 * A205901 A205902 A205903

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 01 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 April 25 18:12 EDT 2019. Contains 322461 sequences. (Running on oeis4.)