OFFSET
1,1
COMMENTS
Column 4 of A250336
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1....1....0....2....2....1....2....1....1....1....2....1....1....1....1....0
..0....3....3....0....1....4....0....2....1....3....0....2....0....1....0....3
..1....1....4....3....1....1....4....4....1....2....2....1....4....2....1....1
..1....4....0....4....1....0....1....2....1....3....3....3....1....1....1....4
..1....2....3....3....0....1....1....2....1....3....0....0....4....1....3....2
..0....2....3....4....2....1....1....0....4....3....4....1....1....1....4....2
..2....2....0....2....2....1....3....0....1....4....2....1....1....4....1....1
..3....4....4....3....1....3....1....4....1....3....0....4....1....1....0....2
..1....0....4....1....1....4....0....4....1....2....2....1....3....1....1....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2014
STATUS
approved