OFFSET
1,1
COMMENTS
Column 4 of A249883
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..4....1....1....0....1....3....0....3....1....0....3....2....0....1....0....1
..1....4....0....4....4....1....1....1....2....2....0....1....3....3....2....3
..0....2....0....3....4....4....0....4....0....1....2....1....0....1....4....0
..2....4....1....4....1....0....2....3....4....2....2....4....4....2....3....3
..2....1....4....0....3....1....4....2....2....0....0....4....1....3....1....2
..2....3....0....4....3....2....2....1....0....0....1....4....4....4....1....3
..1....3....2....0....1....3....0....4....2....2....3....3....0....1....4....3
..2....0....2....4....1....4....0....3....1....4....0....2....2....3....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 07 2014
STATUS
approved