Number of free poly-IH61 tiles (holes allowed) with n cells.
A197626
Number of free poly-IH61 tiles (holes allowed) with n cells.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =11a(4) =35a(5) =110a(6) =392a(7) =1372a(8) =4998a(9) =18251a(10) =67792a(11) =253043a(12) =952534a(13) =3602846a(14) =13699554a(15) =52298066
External references
- oeis: A197626