OFFSET
1,1
COMMENTS
Column 4 of A208301
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=4
..0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1
..0..1..0..1....0..1..0..2....0..1..0..1....0..1..0..1....2..1..0..1
..2..1..0..2....2..1..0..1....2..1..0..1....0..1..0..1....0..2..0..1
..0..1..0..1....0..1..0..2....0..1..0..1....2..3..0..1....0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 25 2012
STATUS
approved