OFFSET
1,1
COMMENTS
Diagonal of A243033
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for n=3
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....1....0....1....1....0....1....1....1....1....1....1....0....1....0....1
..1....0....1....2....0....1....1....1....2....2....2....2....1....2....1....2
..2....0....2....1....1....0....2....1....0....2....2....3....2....0....1....0
..2....0....1....0....2....2....0....0....2....2....0....0....1....3....1....0
..2....2....2....1....2....2....0....2....3....3....0....0....3....2....0....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 29 2014
STATUS
approved