Number of tilings of a 4 X n rectangle using dominoes and trominoes (of any shape).

A364155

Number of tilings of a 4 X n rectangle using dominoes and trominoes (of any shape).

Terms

    a(0) =1a(1) =1a(2) =17a(3) =145a(4) =1352a(5) =12688a(6) =115958a(7) =1075397a(8) =9935791a(9) =91795006a(10) =848550447a(11) =7841290657a(12) =72469286374a(13) =669744449380

External references