1,1
Column 3 of A223751
Table of n, a(n) for n=1..9.
Some solutions for n=3
..0..0..2..0....0..0..2..0....0..0..2..0....0..0..2..2....0..0..0..2
..2..2..3..3....1..0..2..3....2..1..0..3....1..0..3..1....1..1..2..2
..0..1..3..1....1..1..2..2....0..1..2..2....0..2..3..3....2..0..3..3
Sequence in context: A233051 A278774 A219990 * A218416 A027511 A203626
Adjacent sequences: A223746 A223747 A223748 * A223750 A223751 A223752
nonn
R. H. Hardin Mar 27 2013
approved