1,1

Column 3 of A204655

Table of n, a(n) for n=1..7.

Some solutions for n=3

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

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

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

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

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

Sequence in context: A185887 A306872 A186838 * A138941 A251379 A203894

Adjacent sequences: A204651 A204652 A204653 * A204655 A204656 A204657

nonn

R. H. Hardin Jan 17 2012

approved