OFFSET
1,1
COMMENTS
Column 5 of A200858
EXAMPLE
Some solutions for n=3
..0..0..0..0..0....0..0..0..1..4....0..0..1..2..1....0..0..0..0..1
..0..0..4..3..3....1..1..1..3..4....0..1..1..3..3....0..0..1..3..2
..1..1..4..2..4....1..1..2..3..4....1..1..2..4..4....0..0..1..4..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 23 2011
STATUS
approved