Number of tilings of a 7 X n rectangle using dominoes and trominoes (of any shape).

A364617

Number of tilings of a 7 X n rectangle using dominoes and trominoes (of any shape).

Terms

    a(0) =1a(1) =3a(2) =280a(3) =17300a(4) =1075397a(5) =68846551a(6) =4263997124a(7) =267855152858

External references