login
A203323
Number of n X n 0..2 arrays with the row and column sums nondecreasing
0
3, 32, 1510, 423595, 759320283, 9306918766618
OFFSET
1,1
COMMENTS
Diagonal of A203330
EXAMPLE
Some solutions for n=5
..2..2..1..0..2....0..0..2..2..2....1..2..2..1..2....2..1..1..2..2
..2..2..1..1..1....0..2..1..1..2....1..2..1..2..2....2..1..1..2..2
..0..1..2..2..2....2..2..2..2..1....1..1..2..2..2....2..2..1..1..2
..2..2..1..2..0....2..2..1..2..2....2..1..1..2..2....1..1..2..2..2
..1..0..2..2..2....2..1..2..2..2....1..1..2..2..2....0..2..2..2..2
CROSSREFS
Sequence in context: A202806 A368601 A054780 * A367565 A222683 A134474
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 2011
STATUS
approved