OFFSET
1,2
COMMENTS
Column 4 of A250646
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..110
EXAMPLE
Some solutions for n=6
..0....3....1....2....2....0....3....1....4....4....2....1....3....0....3....4
..1....2....2....0....3....2....0....1....1....3....0....2....3....1....0....4
..1....4....2....0....3....2....2....3....0....1....3....2....1....1....2....2
..4....2....1....1....0....1....4....0....0....2....2....3....3....0....0....4
..0....3....2....3....1....4....3....1....2....4....1....4....1....1....2....4
..3....3....4....0....1....1....2....2....3....1....3....3....4....3....1....2
..1....2....0....1....3....2....1....1....4....0....0....3....2....1....0....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved