OFFSET
1,1
COMMENTS
Column 2 of A200777
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1....0..1....0..0....0..0....0..1....0..0....0..1....0..1....0..1....0..0
..0..1....0..1....0..2....0..2....0..1....1..1....0..1....0..2....0..2....0..2
..1..2....0..2....1..1....1..2....0..2....2..2....2..2....0..2....1..2....1..1
..2..2....2..2....1..2....1..2....1..2....1..2....1..2....1..2....1..2....2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 22 2011
STATUS
approved