Number of tilings of a 4 X n rectangle using pentominoes of any shape and monominoes.
A278876
Number of tilings of a 4 X n rectangle using pentominoes of any shape and monominoes.
Terms
- a(0) =1a(1) =1a(2) =25a(3) =311a(4) =4101a(5) =56864a(6) =728857a(7) =9616962a(8) =127040707a(9) =1669454156a(10) =22011707486a(11) =289906000417
External references
- oeis: A278876