|
|
A209682
|
|
Number of n X n 0..7 arrays with every element equal to a diagonal or antidiagonal reflection, and new values 0 upwards introduced in row major order
|
|
1
|
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=3
..0..0..1....0..0..1....0..0..0....0..1..0....0..1..0....0..1..0....0..0..0
..2..0..0....0..1..1....0..1..2....2..1..1....1..0..2....2..1..1....1..1..0
..2..2..1....1..1..1....1..2..1....0..2..1....2..2..0....3..2..1....2..1..1
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|