Number of polyhexes with n cells that tile the plane by translation.
A075207
Number of polyhexes with n cells that tile the plane by translation.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =6a(4) =12a(5) =36a(6) =60a(7) =209a(8) =387a(9) =1054a(10) =1468a(11) =6895a(12) =7001a(13) =23920a(14) =49496a(15) =126732a(16) =146046a(17) =638800a(18) =647502a(19) =2772935a(20) =4162861
External references
- oeis: A075207