OFFSET
1,1
COMMENTS
Row 5 of A213800.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=4
..0..0..2..4..4....1..4..0..4..1....1..1..0..4..4....0..3..4..0..3
..0..0..4..2..4....4..4..0..1..1....1..3..1..1..4....3..2..2..1..2
..2..4..1..2..1....0..0..3..3..4....0..1..3..4..2....4..2..2..1..1
..4..2..2..1..1....4..1..3..1..1....4..1..4..1..0....0..1..1..4..4
..4..4..1..1..0....1..1..4..1..3....4..4..2..0..0....3..2..1..4..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 20 2012
STATUS
approved