1,2
Column 7 of A217346.
Table of n, a(n) for n=1..6.
Some solutions for n=3
..0..1..0..2..1..1..1....0..1..0..1..1..2..1....0..1..0..1..1..1..1
..0..2..2..2..1..0..2....0..1..3..3..1..0..1....0..2..1..1..2..2..2
..1..2..1..0..2..0..0....1..1..1..1..2..0..0....1..1..0..1..1..1..1
Cf. A217346.
Sequence in context: A125825 A031564 A347603 * A140937 A327789 A043598
Adjacent sequences: A217342 A217343 A217344 * A217346 A217347 A217348
nonn
R. H. Hardin, Oct 01 2012
approved