Number of inequivalent ways to cut an n X n square into squares with integer sides, such that the dissection has 180-degree rotational symmetry, but no other symmetries.

A240124

Number of inequivalent ways to cut an n X n square into squares with integer sides, such that the dissection has 180-degree rotational symmetry, but no other symmetries.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =19a(6) =109a(7) =1781a(8) =13660a(9) =397689a(10) =5368943a(11) =289864745

External references