OFFSET
1,1
COMMENTS
Column 4 of A250419
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..91
EXAMPLE
Some solutions for n=6
..0....1....1....2....1....4....0....4....3....3....4....3....0....0....1....3
..4....2....2....2....1....3....1....0....2....0....4....0....4....1....1....2
..4....4....2....1....3....3....2....4....2....0....4....2....0....2....3....1
..2....0....1....2....1....1....3....4....3....1....1....1....2....3....1....0
..3....0....0....2....4....4....3....4....2....4....2....4....0....1....1....0
..3....4....0....2....1....4....2....0....3....4....1....3....4....1....3....3
..1....3....1....4....1....0....4....3....2....3....3....4....0....3....1....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 22 2014
STATUS
approved