1,1

Column 7 of A220044

Table of n, a(n) for n=1..5.

Some solutions for n=3

..1..1..1..1..0..0..0....1..1..1..0..1..0..1....2..0..0..0..0..0..0

..1..1..1..1..0..0..0....1..0..0..0..0..0..0....2..0..0..0..0..0..0

..1..2..1..3..3..0..0....1..0..0..0..0..0..1....2..0..1..0..2..1..2

Sequence in context: A219459 A112066 A096383 * A137210 A220009 A160321

Adjacent sequences: A220040 A220041 A220042 * A220044 A220045 A220046

nonn

R. H. Hardin Dec 03 2012

approved