1,1

Diagonal of A207015

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

Some solutions for n=4

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

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

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

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

Sequence in context: A223717 A223825 A207222 * A223783 A223969 A207202

Adjacent sequences: A207004 A207005 A207006 * A207008 A207009 A207010

nonn

R. H. Hardin Feb 14 2012

approved