OFFSET
1,2
COMMENTS
Column 1 of A208960
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=7
..1....3....4....0....1....2....0....5....2....0....3....5....0....0....0....3
..1....0....0....2....1....0....0....0....3....1....0....2....5....4....5....0
..2....3....4....3....1....2....0....4....2....1....0....2....1....1....2....0
..2....3....2....2....0....0....2....1....0....3....3....2....1....1....2....3
..2....2....4....2....0....2....0....1....3....1....0....2....0....0....2....1
..2....3....2....3....0....0....2....5....1....1....1....5....0....4....2....1
..2....2....4....2....0....0....0....4....1....3....1....0....5....0....5....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 03 2012
STATUS
approved