OFFSET
1,1
COMMENTS
Row 4 of A219714
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..93
EXAMPLE
Some solutions for n=3
..2..1..0....2..2..2....2..2..2....1..0..0....1..0..0....2..0..0....2..2..2
..0..0..0....2..0..0....2..2..2....0..0..0....1..0..0....1..0..0....2..2..2
..0..0..0....2..0..1....2..0..0....0..1..2....1..0..2....1..0..2....2..0..0
..2..0..3....2..0..0....2..0..1....3..2..3....2..2..3....3..2..3....3..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2012
STATUS
approved