A213377 Number of polyominoes of order 2n that can be tiled by dominoes in a unique way.

1, 3, 20, 170, 1728, 18878, 214278, 2488176, 29356463

Offset: 1

Author

Joseph Myers, Jun 10 2012

Keywords

• hard
• more
• nonn

Comments

Tilings related by a symmetry of the polyomino that is not a symmetry of the tiling count as distinct (thus, the square tetromino counts as being tiled in two distinct ways).

Links

• Herman Tulleken, Polyominoes 2.2: How they fit together, (2019).

Crossrefs

Cf. A056785, A056786, A213376, A213378.