Number of restricted hexagonal polyominoes with n cells.
A005963
Number of restricted hexagonal polyominoes with n cells.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2a(4) =10a(5) =45a(6) =210a(7) =1002a(8) =4883a(9) =23797a(10) =116518a(11) =571471
External references
- oeis: A005963