1,2

Diagonal of A230337

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

Some solutions for n=3

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

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

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

Sequence in context: A000411 A180431 A202967 * A252174 A251697 A173789

Adjacent sequences: A230327 A230328 A230329 * A230331 A230332 A230333

nonn

R. H. Hardin, Oct 16 2013

approved