OFFSET
1,1
COMMENTS
Row 3 of A249233.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..31
EXAMPLE
Some solutions for n=4
..0....0....1....1....1....0....0....3....2....0....1....1....2....3....2....2
..2....3....3....0....2....1....2....0....3....1....0....4....3....0....2....2
..1....4....3....3....1....4....3....2....4....0....2....2....1....3....2....1
..1....1....1....0....4....2....1....2....0....4....0....4....2....3....3....0
..2....3....2....3....1....0....1....1....0....2....4....3....0....0....4....1
..1....2....1....1....1....0....0....3....2....0....4....0....0....1....1....2
..3....1....0....1....4....0....4....0....4....0....3....3....4....0....2....1
..0....0....4....0....2....1....1....0....1....1....1....4....0....0....4....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 23 2014
STATUS
approved