OFFSET
1,1
COMMENTS
Column 4 of A249233.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..4....0....0....0....3....2....0....0....4....4....2....2....1....1....3....0
..1....0....4....2....2....4....1....1....0....0....2....3....3....2....0....3
..1....4....2....4....0....2....4....3....1....3....2....3....1....1....2....0
..1....1....4....3....3....3....0....2....0....0....2....1....2....0....2....0
..2....1....3....4....2....4....2....1....3....2....2....2....3....3....3....0
..2....2....3....3....3....4....3....3....3....4....4....3....1....4....4....3
..0....3....4....1....3....0....0....4....1....2....4....4....0....1....2....1
..4....0....4....4....0....0....4....4....2....3....0....4....1....1....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 23 2014
STATUS
approved