OFFSET
1,1
COMMENTS
Column 7 of A201033.
EXAMPLE
Some solutions for n=3
..0..0..0..2..1..2..1....0..0..1..1..1..3..2....0..0..0..2..2..1..1
..0..0..4..4..2..2..3....0..0..1..3..3..4..2....0..0..1..2..4..3..3
..1..1..4..3..3..3..4....0..2..3..2..4..4..4....1..2..3..4..4..3..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2011
STATUS
approved