1,2

Diagonal of A183413

Table of n, a(n) for n=1..8.

Some solutions for 4X4

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

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

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

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

Sequence in context: A066865 A183902 A005632 * A298322 A299215 A300031

Adjacent sequences: A183405 A183406 A183407 * A183409 A183410 A183411

nonn

R. H. Hardin Jan 04 2011

approved