OFFSET
1,1
COMMENTS
Diagonal of A243607.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..121
EXAMPLE
Some solutions for n=5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....0....0....1....1....1....0....1....1....1....0....1....1....1....0....1
..2....1....0....2....2....1....1....2....1....2....0....2....1....1....1....2
..2....2....0....2....0....1....2....2....2....3....1....2....1....0....2....2
..3....2....1....0....3....1....0....3....2....4....2....3....0....2....2....1
..0....0....2....0....3....0....3....4....3....2....3....0....0....2....2....0
..0....3....3....2....0....2....1....2....4....3....4....1....2....1....1....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 07 2014
STATUS
approved