1,1

Diagonal of A209951

R. H. Hardin, Table of n, a(n) for n = 1..11

Some solutions for n=4

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

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

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

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

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

Sequence in context: A212034 A297072 A232900 * A187708 A231084 A291976

Adjacent sequences: A209940 A209941 A209942 * A209944 A209945 A209946

nonn

R. H. Hardin Mar 16 2012

approved