1,2

Diagonal of A221303

Table of n, a(n) for n=1..6.

Some solutions for n=3

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

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

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

Sequence in context: A277000 A055415 A196541 * A287938 A225602 A195756

Adjacent sequences: A221293 A221294 A221295 * A221297 A221298 A221299

nonn

R. H. Hardin Jan 09 2013

approved