1,1
Column 6 of A237921
Table of n, a(n) for n=1..9.
Some solutions for n=1
..0..0..1..1..2..2..1....0..0..1..0..2..1..2....0..0..2..3..1..0..3
..3..0..1..3..0..3..3....3..3..3..2..3..1..1....1..1..1..1..3..2..2
Sequence in context: A259563 A151938 A186049 * A317615 A250706 A269281
Adjacent sequences: A237917 A237918 A237919 * A237921 A237922 A237923
nonn
R. H. Hardin, Feb 15 2014
approved