OFFSET
1,1
COMMENTS
Diagonal of A250913
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..10
EXAMPLE
Some solutions for n=2
..0..2..2....0..1..0....0..1..2....0..0..1....1..2..1....1..1..2....0..2..0
..1..2..1....2..2..0....0..0..1....2..2..2....0..0..0....0..0..1....1..2..0
..0..2..1....0..0..0....2..2..2....2..2..0....0..0..1....1..2..2....1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 28 2014
STATUS
approved