The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A237090 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal 8
256, 912, 912, 3274, 3968, 3274, 12590, 17636, 17636, 12590, 48864, 84918, 96104, 84918, 48864, 194812, 412158, 578486, 578486, 412158, 194812, 782024, 2074898, 3497586, 4428988, 3497586, 2074898, 782024, 3181960, 10501584, 22239606 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
......256........912........3274.........12590..........48864..........194812
......912.......3968.......17636.........84918.........412158.........2074898
.....3274......17636.......96104........578486........3497586........22239606
....12590......84918......578486.......4428988.......33954418.......276471206
....48864.....412158.....3497586......33954418......329386610......3424504396
...194812....2074898....22239606.....276471206.....3424504396.....45670475702
...782024...10501584...141915177....2256243854....35657488703....609352466155
..3181960...54426654...938113698...19251013930...391169928184...8607861479546
.13011114..283246634..6226900258..165074810168..4318045934033.122517160329006
.53658914.1501153826.42501875752.1468740268436.49828393684132
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 39]
EXAMPLE
Some solutions for n=3 k=4
..0..1..1..2..1....0..1..3..2..2....0..3..2..0..2....0..3..1..2..1
..2..2..3..1..3....2..3..1..0..2....2..1..2..2..2....2..1..3..2..3
..0..1..1..2..1....1..2..2..3..1....3..2..3..1..3....0..3..1..2..3
..1..3..0..2..0....0..3..3..2..2....2..3..2..2..0....3..0..2..3..2
CROSSREFS
Sequence in context: A236987 A236980 A224975 * A224968 A237083 A220764
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 03 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 June 16 08:45 EDT 2024. Contains 373424 sequences. (Running on oeis4.)