OFFSET
1,1
COMMENTS
Row 4 of A231451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..1..1..2....0..0..1..1..2....0..0..1..1..0....0..0..1..1..2
..0..1..1..2..2....0..1..1..2..2....0..1..1..0..0....0..1..1..2..2
..0..0..0..0..2....1..3..3..3..3....2..2..0..0..0....2..2..2..2..0
..3..3..0..2..2....3..3..3..0..0....2..2..2..0..0....0..0..0..0..0
..3..0..0..0..0....0..0..0..0..0....2..2..0..0..0....0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 09 2013
STATUS
approved