Number of tilings of an n X n square using dominoes, monominoes and 2 X 2 tiles.

A353777

Number of tilings of an n X n square using dominoes, monominoes and 2 X 2 tiles.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =163a(4) =15623a(5) =5684228a(6) =8459468955

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