1,1

Diagonal of A239405

Table of n, a(n) for n=1..9.

Some solutions for n=3

..0..3..3....0..3..1....3..1..0....0..0..0....3..1..0....0..0..0....3..3..1

..3..3..2....0..2..0....2..2..3....0..0..0....0..2..1....3..1..3....3..3..2

..3..1..2....0..0..0....2..2..2....3..3..1....0..0..0....3..1..2....2..2..2

Sequence in context: A015211 A266992 A079480 * A239811 A082963 A083759

Adjacent sequences: A239395 A239396 A239397 * A239399 A239400 A239401

nonn

R. H. Hardin, Mar 17 2014

approved