OFFSET
1,1
COMMENTS
Column 4 of A252177
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for n=6
..2....2....0....2....2....4....2....3....1....4....1....1....1....3....3....2
..0....0....0....2....1....0....2....2....1....0....0....0....1....0....0....2
..0....1....2....2....1....3....0....4....1....4....4....2....0....1....4....3
..2....3....4....3....0....4....3....2....2....0....2....3....3....1....0....3
..4....3....2....1....2....1....1....1....0....3....1....3....1....0....4....1
..4....4....0....0....0....3....2....4....4....3....1....2....0....4....2....0
..2....2....2....1....0....4....3....3....1....4....2....0....1....3....0....1
..0....3....0....0....4....3....4....3....4....2....4....0....1....4....4....4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2014
STATUS
approved