|
|
A200970
|
|
Number of nX4 0..6 arrays with every row and column running average nondecreasing rightwards and downwards
|
|
1
|
|
|
388, 37254, 3167295, 250149820, 18714498069, 1342587653727, 93360032845673, 6335655315992974, 421865904772827987, 27660730981017838471, 1790599737428642496028, 114654496418709581646953
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..0..1..5....0..0..0..1....0..0..0..1....0..0..0..1....0..0..2..4
..0..1..1..5....0..1..2..6....0..1..2..5....0..0..3..5....0..0..2..4
..0..3..3..6....2..6..4..5....1..2..3..3....0..5..3..4....0..0..3..6
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|