1,1
Column 7 of A219714
Table of n, a(n) for n=1..8.
Some solutions for n=3
..2..1..0..0..0..0..0....2..2..1..1..0..0..0....2..2..0..0..0..0..0
..1..0..0..0..0..0..2....2..2..1..0..0..0..3....2..2..0..0..0..0..1
..1..0..1..1..1..0..0....3..2..1..0..1..1..3....3..3..2..0..0..0..1
Sequence in context: A219577 A093284 A027794 * A027821 A220049 A220210
Adjacent sequences: A219710 A219711 A219712 * A219714 A219715 A219716
nonn
R. H. Hardin Nov 26 2012
approved