Number of free polyominoes with n cells having simply-connected interiors.
A342537
Number of free polyominoes with n cells having simply-connected interiors.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =12a(5) =35a(6) =108a(7) =368a(8) =1283a(9) =4639a(10) =17003a(11) =63222a(12) =236819a(13) =893515a(14) =3387953a(15) =12904855a(16) =49335965a(17) =189243115
External references
- oeis: A342537