1,1

Diagonal of A237067

Table of n, a(n) for n=1..9.

Some solutions for n=3

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

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

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

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

Sequence in context: A236047 A264000 A236781 * A236010 A230677 A231994

Adjacent sequences: A237056 A237057 A237058 * A237060 A237061 A237062

nonn

R. H. Hardin, Feb 03 2014

approved