Number of tilings of a 5 X n rectangle using pentominoes of any shape and monominoes.

A278456

Number of tilings of a 5 X n rectangle using pentominoes of any shape and monominoes.

Terms

    a(0) =1a(1) =2a(2) =50a(3) =1954a(4) =56864a(5) =1532496a(6) =42238426a(7) =1178422563a(8) =32890293494a(9) =917103556607

External references