1,1

Column 7 of A183483

Table of n, a(n) for n=1..7.

Some solutions for 4X7

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

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

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

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

Sequence in context: A153166 A153168 A195215 * A295415 A202801 A226307

Adjacent sequences: A183478 A183479 A183480 * A183482 A183483 A183484

nonn

R. H. Hardin Jan 05 2011

approved