OFFSET
1,1
COMMENTS
Diagonal of A190041
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..142
EXAMPLE
All solutions for n=3
..3....0....1....1....1....1....0....1....2....1
..3....3....3....1....1....1....1....2....3....2
..3....3....3....1....2....2....1....2....3....3
..3....3....3....2....2....3....2....3....3....3
..3....3....3....3....3....3....3....3....3....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 04 2011
STATUS
approved