1,2

Diagonal of A223126

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

Some solutions for n=3

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

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

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

Sequence in context: A267595 A266621 A110731 * A233252 A249849 A027879

Adjacent sequences: A223116 A223117 A223118 * A223120 A223121 A223122

nonn

R. H. Hardin Mar 15 2013

approved