|
|
A236118
|
|
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the difference of the maximum and the upper median in each 2X2 subblock
|
|
6
|
|
|
256, 2248, 2248, 20000, 35468, 20000, 175096, 542140, 542140, 175096, 1538144, 8253392, 14423874, 8253392, 1538144, 13525664, 126117020, 375889812, 375889812, 126117020, 13525664, 118990080, 1934727612, 10125262296, 18228584298
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Table starts
.........256..........2248...........20000...........175096..........1538144
........2248.........35468..........542140..........8253392........126117020
.......20000........542140........14423874........375889812......10125262296
......175096.......8253392.......375889812......18228584298.....918481481856
.....1538144.....126117020.....10125262296.....918481481856...90225427419130
....13525664....1934727612....274910404616...47538640366310.9012213136881004
...118990080...29594969044...7486885637764.2439572433329864
..1045666976..452447788292.202400378694944
..9189157840.6920035929192
.80777516672
|
|
LINKS
|
|
|
FORMULA
|
Empirical for column k:
k=1: [linear recurrence of order 18] for n>19
k=2: [order 84]
|
|
EXAMPLE
|
Some solutions for n=2 k=4
..0..0..3..0..1....1..1..3..0..0....0..1..2..0..0....0..1..0..0..0
..0..3..1..1..1....0..1..0..0..0....0..2..1..1..1....1..1..2..0..3
..1..0..2..2..1....3..1..2..2..0....0..0..0..1..3....1..2..2..3..3
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|