Number of cycles in the 2 X n rook graph.

A341500

Number of cycles in the 2 X n rook graph.

Terms

    a(0) =0a(1) =1a(2) =14a(3) =170a(4) =2904a(5) =74779a(6) =2751790a(7) =137080628a(8) =8882440224a(9) =726325289493

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