1,1
Column 5 of A217999
Table of n, a(n) for n=1..5.
Some solutions for n=3
..0..0..0..0..1....0..1..2..0..2....0..2..2..1..1....0..0..1..1..0
..0..0..0..1..1....0..0..2..1..1....0..0..0..0..2....0..0..0..1..1
..0..2..2..0..1....0..0..0..2..0....0..1..0..2..0....0..1..0..2..2
Sequence in context: A206834 A206896 A207286 * A183891 A120377 A321821
Adjacent sequences: A217995 A217996 A217997 * A217999 A218000 A218001
nonn
R. H. Hardin Oct 17 2012
approved