1,2

Column 5 of A267836.

Table of n, a(n) for n=1..8.

Some solutions for n=3

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

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

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

Cf. A267836.

Sequence in context: A285172 A208618 A352334 * A202652 A278624 A156931

Adjacent sequences: A267832 A267833 A267834 * A267836 A267837 A267838

nonn

R. H. Hardin, Jan 21 2016

approved