|
|
A219690
|
|
Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 6Xn array
|
|
1
|
|
|
21, 60, 655, 5726, 44816, 344926, 2709320, 21474269, 167685059, 1273322836, 9386203438, 67340577300, 471427290355, 3224592437317, 21562151377146, 141010883018273, 902366368908706, 5653483899077449, 34695071833947322
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..1..0..0....0..0..0....0..0..0....0..0..0....1..0..0....2..1..1....2..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....1..0..0....2..1..1....2..0..0
..0..0..0....0..0..0....1..0..0....1..1..1....1..0..0....2..1..1....2..0..0
..1..1..2....0..0..0....1..1..0....1..1..1....1..0..0....2..1..1....2..1..1
..2..2..2....0..0..0....1..0..0....1..1..0....0..0..0....2..2..2....2..1..1
..2..2..2....2..2..2....2..0..0....1..0..0....0..0..2....2..2..2....2..2..2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|