Number of polyominoes consisting of n regular unit 9-gons.
A103467
Number of polyominoes consisting of n regular unit 9-gons.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =14a(4) =82a(5) =585a(6) =4418a(7) =34838a(8) =280014a(9) =2285047a(10) =18838395a(11) =156644526a(12) =1311575691
External references
- oeis: A103467