OFFSET
1,1
COMMENTS
Row 4 of A218522
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..90
EXAMPLE
Some solutions for n=3
..3..1..1....1..0..0....1..1..1....3..3..3....3..0..2....0..0..1....3..0..2
..3..1..2....1..0..1....3..1..2....3..3..3....0..0..0....1..2..2....0..0..1
..1..0..0....0..0..3....2..2..2....3..1..0....1..0..2....3..2..2....3..0..2
..1..0..3....3..0..0....2..1..1....0..0..0....1..1..1....2..1..1....0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 31 2012
STATUS
approved