OFFSET
1,2
COMMENTS
Column 4 of A221828
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..46
EXAMPLE
Some solutions for n=3
..0..2..2..1....1..1..1..1....0..2..2..2....0..2..0..2....0..1..0..1
..1..0..1..0....2..1..1..0....0..1..1..1....2..1..0..1....0..3..1..2
..2..1..1..1....0..2..2..0....1..0..1..1....1..1..2..0....1..1..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 26 2013
STATUS
approved