Number of poly-IH73-tiles (holes allowed) with n cells.
A056779
Number of poly-IH73-tiles (holes allowed) with n cells.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =7a(4) =21a(5) =60a(6) =208a(7) =704a(8) =2542a(9) =9192a(10) =34053a(11) =126771a(12) =476849a(13) =1802367a(14) =6851960a(15) =26152629
External references
- oeis: A056779