1,1

Diagonal of A203835

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

Some solutions for n=4

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

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

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

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

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

Sequence in context: A215859 A143170 A328351 * A318221 A162885 A163231

Adjacent sequences: A203825 A203826 A203827 * A203829 A203830 A203831

nonn

R. H. Hardin Jan 06 2012

approved