1,2

Diagonal of A183429

Table of n, a(n) for n=1..5.

Some solutions for 4X4

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

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

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

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

Sequence in context: A025133 A193129 A183493 * A160073 A157575 A072158

Adjacent sequences: A183421 A183422 A183423 * A183425 A183426 A183427

nonn

R. H. Hardin Jan 04 2011

approved