1,1
Column 5 of A221378
Table of n, a(n) for n=1..9.
Some solutions for n=3
..0..1..1..2..1....0..1..0..0..2....0..1..2..0..2....0..2..0..1..2
..0..2..0..2..1....0..1..2..0..1....0..2..1..1..2....0..1..0..2..0
..2..0..0..1..2....2..0..2..2..2....0..0..1..2..1....1..2..2..1..1
Sequence in context: A221325 A104301 A221300 * A160477 A221344 A325481
Adjacent sequences: A221374 A221375 A221376 * A221378 A221379 A221380
nonn
R. H. Hardin Jan 13 2013
approved