|
|
A237072
|
|
Number of (n+1)X(4+1) 0..3 arrays with the upper median of every 2X2 subblock equal
|
|
1
|
|
|
128988, 23830240, 3263989086, 540145357880, 88307088989348, 14967248359057988, 2557790812425420268, 441423347592429449936, 76527910037229993474554, 13311453072470486232811584
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=1
..2..2..3..2..1....2..1..2..0..3....1..1..1..3..1....1..3..3..3..0
..1..0..0..0..3....0..0..0..1..0....0..0..1..0..0....2..3..0..3..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|