OFFSET
1,2
COMMENTS
Column 3 of A199101
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..56
EXAMPLE
Some solutions for n=4
..0..1..0....0..1..1....0..1..2....0..1..2....0..1..0....0..1..0....0..1..1
..2..0..2....2..0..2....2..2..0....1..0..2....2..1..0....1..0..1....1..0..0
..1..0..1....1..2..2....1..0..2....2..0..2....2..0..1....2..2..1....2..2..2
..2..2..1....1..0..0....1..0..1....1..0..1....2..2..1....2..2..0....2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 02 2011
STATUS
approved