OFFSET
1,1
COMMENTS
Diagonal of A234786
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..10
EXAMPLE
Some solutions for n=2
..2..3..1....3..2..1....1..2..3....0..3..2....2..1..3....3..1..3....3..0..1
..3..1..0....1..0..2....0..1..2....3..2..0....1..0..2....0..2..1....0..2..3
..1..2..1....3..2..1....1..2..1....0..3..2....0..2..3....3..0..2....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2013
STATUS
approved