1,1

Diagonal of A219627

Table of n, a(n) for n=1..8.

Some solutions for n=3

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

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

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

Sequence in context: A113848 A287429 A274664 * A201611 A088075 A088076

Adjacent sequences: A219617 A219618 A219619 * A219621 A219622 A219623

nonn

R. H. Hardin Nov 24 2012

approved