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!)
A237108 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal 9
81, 385, 385, 1881, 3787, 1881, 9491, 39235, 39235, 9491, 48569, 435113, 848549, 435113, 48569, 252415, 4975145, 20079181, 20079181, 4975145, 252415, 1324297, 58074637, 485177201, 1032827165, 485177201, 58074637, 1324297, 7013479 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.......81.........385............1881...............9491.................48569
......385........3787...........39235.............435113...............4975145
.....1881.......39235..........848549...........20079181.............485177201
.....9491......435113........20079181.........1032827165...........53528626069
....48569.....4975145.......485177201........53528626069.........5870133564899
...252415....58074637.....11899510847......2808787399965.......651822582383487
..1324297...685334343....293281801479....147635666660707.....72365031298763069
..7013479..8138935643...7246691140947...7771739485974973...8045311769065304851
.37376009.96985032775.179233623871063.409254548407433443.894539155590606377951
LINKS
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 11]
k=2: [order 23]
k=3: [order 54]
EXAMPLE
Some solutions for n=2 k=4
..0..2..2..2..1....0..1..0..1..1....0..2..1..2..2....0..2..0..1..2
..0..2..2..2..0....2..2..2..2..2....0..2..2..2..0....1..2..2..2..0
..2..1..2..1..2....1..0..0..1..0....2..1..0..0..2....2..2..2..2..1
CROSSREFS
Sequence in context: A236035 A236028 A233157 * A237101 A236618 A236611
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 February 22 12:31 EST 2024. Contains 370255 sequences. (Running on oeis4.)