OFFSET
1,1
COMMENTS
Diagonal of A250853
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..32
EXAMPLE
Some solutions for n=3
..3..3..3..2....2..2..2..2....3..2..3..3....3..3..2..2....3..2..2..2
..1..1..1..2....0..0..1..1....2..2..3..3....1..2..2..2....0..1..1..2
..0..0..0..1....0..0..2..2....0..0..2..2....2..3..3..3....0..1..1..2
..0..2..2..3....1..1..3..3....0..1..3..3....0..1..2..2....0..2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2014
STATUS
approved