Number of free poly-IH5-tiles (holes allowed) with n cells.
A212086
Number of free poly-IH5-tiles (holes allowed) with n cells.
Terms
- a(0) =1a(1) =4a(2) =11a(3) =48a(4) =186a(5) =831a(6) =3652a(7) =16766a(8) =77359a(9) =363029a(10) =1716033a(11) =8183910a(12) =39267086a(13) =189500947
External references
- oeis: A212086