OFFSET
1,1
COMMENTS
Column 4 of A249001
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0....1....2....0....0....1....1....0....2....0....1....2....2....0....2....2
..4....0....2....2....0....3....4....0....3....4....3....3....3....1....4....4
..2....1....1....0....0....2....0....1....1....0....4....3....0....0....0....0
..4....3....2....0....3....4....3....4....4....2....0....0....0....0....4....4
..3....1....0....4....0....4....3....4....3....2....4....1....4....0....3....3
..0....4....3....1....4....0....3....4....3....0....4....4....0....1....3....4
..4....2....2....1....4....1....4....0....2....3....3....0....1....1....2....0
..3....1....4....1....1....4....3....0....0....4....2....0....0....0....1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 18 2014
STATUS
approved