1,1

Column 5 of A183429

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

Some solutions for 4X5

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

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

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

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

Sequence in context: A297122 A128912 A076090 * A236663 A236645 A253314

Adjacent sequences: A183425 A183426 A183427 * A183429 A183430 A183431

nonn

R. H. Hardin Jan 04 2011

approved