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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A205283 Number of 4X(n+1) 0..3 arrays with 2X2 subblock determinants differing from horizontal neighbors and permanents differing from vertical neighbors 1
39419, 4826836, 605359630, 75356390650, 9373958322702, 1166726509999348, 145191341529859260, 18068679783458324318, 2248591840057920050816, 279830384246663896819104, 34824036926366339289590130 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A205281
LINKS
EXAMPLE
Some solutions for n=4
..1..0..0..1..2....0..2..1..2..0....2..2..0..3..0....0..2..2..1..2
..0..1..1..3..1....2..1..0..1..1....0..2..1..0..2....0..1..2..3..2
..3..2..2..1..1....3..0..2..3..2....1..3..0..1..0....2..2..3..1..3
..2..2..1..1..0....0..2..3..1..3....2..2..3..0..3....0..2..0..2..0
CROSSREFS
Sequence in context: A340062 A031823 A205035 * A251354 A004671 A162866
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 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 December 2 16:47 EST 2023. Contains 367525 sequences. (Running on oeis4.)