1,2
Row 3 of A220935
Table of n, a(n) for n=1..10.
Some solutions for n=3
..0..0..1....0..0..1....0..0..1....0..1..1....0..1..1....0..0..0....0..1..0
..0..0..1....1..0..0....1..0..1....0..1..1....0..0..0....0..1..0....1..0..0
..1..1..0....0..1..0....0..0..0....0..0..0....0..0..0....0..1..0....0..1..0
Sequence in context: A120990 A220330 A055022 * A221291 A044263 A044644
Adjacent sequences: A220934 A220935 A220936 * A220938 A220939 A220940
nonn
R. H. Hardin Dec 25 2012
approved