1,2

Row 4 of A221655

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

Some solutions for n=3

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

..0..2..0....0..3..1....0..1..1....0..2..1....0..3..0....0..3..0....1..4..1

..0..0..1....1..1..0....1..4..0....0..2..1....1..1..0....1..1..1....0..2..0

..1..4..0....0..2..1....0..1..1....1..2..0....2..2..0....0..2..1....1..2..0

Sequence in context: A003741 A263553 A049215 * A188154 A268151 A269824

Adjacent sequences: A221655 A221656 A221657 * A221659 A221660 A221661

nonn

R. H. Hardin Jan 21 2013

approved