Number of tilings of a 9 X n rectangle with n nonominoes of any shape.

A174253

Number of tilings of a 9 X n rectangle with n nonominoes of any shape.

Terms

    a(0) =1a(1) =1a(2) =9a(3) =1095a(4) =145415a(5) =15661597a(6) =1418159011a(7) =112976454947

External references