Number of polyiamonds with 2n cells that tile the plane by translation.

A075216

Number of polyiamonds with 2n cells that tile the plane by translation.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =24a(4) =62a(5) =291a(6) =539a(7) =2625a(8) =6177a(9) =21923a(10) =37721a(11) =238267a(12) =299203a(13) =1338140a(14) =3492733

External references