2,2

The path may be open or closed. For larger n several solutions with the same number of segments exist.

Hugo Pfoertner, Examples of compact self avoiding paths on a square lattice.

Cf. A122223, A122226.

Sequence in context: A088804 A027924 A006578 this_sequence A004797 A053459 A024398

Adjacent sequences: A122221 A122222 A122223 this_sequence A122225 A122226 A122227

hard,more,nonn

Hugo Pfoertner (hugo(AT)pfoertner.org), Sep 25 2006