1,1

Diagonal of A219883

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

Some solutions for n=3

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

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

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

Sequence in context: A005650 A020754 A052381 * A031440 A001566 A173771

Adjacent sequences: A219874 A219875 A219876 * A219878 A219879 A219880

nonn

R. H. Hardin Nov 30 2012

approved