Number of free poly-IH4-tiles (holes allowed) with n cells.
A197958
Number of free poly-IH4-tiles (holes allowed) with n cells.
Terms
- a(0) =1a(1) =5a(2) =11a(3) =52a(4) =186a(5) =848a(6) =3652a(7) =16843a(8) =77359a(9) =363387a(10) =1716033a(11) =8185607a(12) =39267086a(13) =189509099
External references
- oeis: A197958