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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237866 Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
107272, 2385956, 55582616, 1360467556, 31199205700, 726581268166, 17294230106544, 415902349829102, 9695376441265920, 227751536306356010, 5413153557708303316, 128972134031199811494, 3027744338091291704100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A237868

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A228268 A215783 A061332 * A204875 A158964 A248446

Adjacent sequences: A237863 A237864 A237865 * A237867 A237868 A237869

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 14 2014

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 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)