OFFSET
1,1
COMMENTS
Column 4 of A250561
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..28
EXAMPLE
Some solutions for n=6
..0....0....2....0....2....0....1....1....1....2....2....2....1....0....1....0
..3....0....2....2....1....1....0....1....2....0....1....0....0....3....4....0
..4....2....3....0....0....0....2....2....3....0....4....2....4....2....4....4
..4....2....3....1....2....0....4....2....4....2....3....2....4....2....2....4
..3....4....3....2....4....2....2....4....1....0....3....2....4....3....3....0
..4....1....1....2....0....4....1....1....0....3....2....1....1....4....1....1
..1....4....2....3....1....4....1....3....4....1....4....4....0....3....0....0
..2....2....4....3....4....1....2....1....1....3....3....0....3....4....1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2014
STATUS
approved