1,1

Diagonal of A250994

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

Some solutions for n=3

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

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

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

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

Sequence in context: A250584 A004421 A247411 * A190825 A054340 A271030

Adjacent sequences: A250983 A250984 A250985 * A250987 A250988 A250989

nonn

R. H. Hardin, Nov 29 2014

approved