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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A237136 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median of every 2X2 subblock equal 1
1500, 22960, 333446, 5961802, 107652788, 2051159992, 39515565068, 773779308602, 15232283593258, 301531507839068, 5981589540936284, 118895839205017540, 2365157730203408808, 47083443075895155506, 937566972004613834906 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A237142
LINKS
FORMULA
Empirical recurrence of order 44 (see link above)
EXAMPLE
Some solutions for n=2
..2..2..0....1..2..0....2..3..3....0..0..0....0..2..3....1..3..3....0..3..0
..3..2..3....2..3..0....3..1..3....3..1..3....3..2..0....3..3..1....0..0..0
..1..1..0....1..1..2....1..3..2....0..0..1....1..1..3....1..3..1....1..2..1
CROSSREFS
Sequence in context: A184078 A098191 A253509 * A183786 A181599 A181706
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 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 February 26 21:28 EST 2024. Contains 370352 sequences. (Running on oeis4.)