1,1

R. H. Hardin, Table of n, a(n) for n = 1..16

Some solutions for n=4

..1..1..0..1....0..0..0..1....0..1..1..0....0..0..1..1....1..0..0..0

..1..1..0..1....0..0..0..1....1..0..1..0....0..1..0..1....0..1..0..1

..0..0..0..0....0..0..0..1....1..1..0..0....1..0..0..1....0..0..1..0

..1..1..0..0....1..1..1..0....0..0..0..0....1..1..1..1....0..1..0..1

Sequence in context: A154828 A057629 A191507 * A145157 A323871 A183945

Adjacent sequences: A191599 A191600 A191601 * A191603 A191604 A191605

nonn

R. H. Hardin Jun 08 2011

approved