Number of different fixed (possibly) disconnected polyominoes (of any area) bounded tightly by an n X n square.

A163437

Number of different fixed (possibly) disconnected polyominoes (of any area) bounded tightly by an n X n square.

Terms

    a(0) =1a(1) =7a(2) =322a(3) =51472a(4) =29671936a(5) =64588152832

External references