1,1
Column 4 of A222894
Table of n, a(n) for n=1..8.
Some solutions for n=3
..0..1..2..3....0..1..1..2....0..1..1..2....0..1..2..2....0..1..2..3
..3..4..4..5....3..3..4..4....3..4..5..5....3..1..4..3....4..1..5..6
..2..2..1..1....1..5..5..1....5..2..6..7....4..2..0..3....7..6..4..2
Sequence in context: A058275 A184954 A185354 * A009712 A128793 A042527
Adjacent sequences: A222890 A222891 A222892 * A222894 A222895 A222896
nonn
R. H. Hardin Mar 08 2013
approved