Number of fixed poly-[3^4.6]-tiles (holes allowed) with n cells.
A197160
Number of fixed poly-[3^4.6]-tiles (holes allowed) with n cells.
Terms
- a(0) =6a(1) =15a(2) =44a(3) =141a(4) =480a(5) =1703a(6) =6216a(7) =23136a(8) =87334a(9) =333309a(10) =1283706a(11) =4982458a(12) =19466130a(13) =76479612a(14) =301923554a(15) =1196919714a(16) =4762524162a(17) =19012433694
External references
- oeis: A197160