OFFSET
1,1
COMMENTS
Column 4 of A252777
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=2
..0..1..1..2..1..2....0..1..0..1..0..1....0..0..1..0..0..1....0..0..1..0..0..1
..0..0..1..0..0..2....2..1..1..0..0..1....0..1..0..0..2..0....2..0..0..1..1..2
..2..0..2..2..0..0....2..2..0..0..1..0....2..0..0..3..0..0....2..2..1..1..0..1
..2..1..1..2..1..2....0..1..0..1..0..1....2..1..1..0..0..3....1..0..1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2014
STATUS
approved