1,2
Column 6 of A278188.
Table of n, a(n) for n=1..10.
Some solutions for n=2
..0..2..3..0..2..1. .0..1..2..3..3..1. .0..3..2..1..3..2. .0..1..0..3..0..3
..1..1..3..1..3..2. .3..3..1..0..0..2. .1..2..1..2..0..1. .3..2..1..2..1..2
Cf. A278188.
Sequence in context: A105009 A237380 A251406 * A206125 A322935 A253825
Adjacent sequences: A278184 A278185 A278186 * A278188 A278189 A278190
nonn
R. H. Hardin, Nov 14 2016
approved