OFFSET
1,1
COMMENTS
Column 2 of A237794
EXAMPLE
Some solutions for n=1
..1..2..2..3....1..1..0..1....0..1..1..1....1..2..1..0....0..1..1..1
..2..3..2..1....0..3..1..3....1..0..1..3....1..1..0..2....3..2..0..1
..2..2..0..2....1..1..3..1....3..2..1..0....0..1..2..1....1..1..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 13 2014
STATUS
approved