1,1
Column 7 of A223850
Table of n, a(n) for n=1..8.
Some solutions for n=3
..0..0..0..0..0..2..2....0..0..0..0..1..0..0....0..0..0..0..0..1..0
..0..0..0..0..1..2..1....0..0..0..0..3..3..1....0..0..0..0..0..1..0
..0..0..0..0..0..0..1....0..0..0..0..0..1..1....0..0..0..0..0..3..1
Sequence in context: A224203 A223761 A223875 * A223800 A244428 A221350
Adjacent sequences: A223846 A223847 A223848 * A223850 A223851 A223852
nonn
R. H. Hardin Mar 27 2013
approved