Number of n-input 2-output switching networks under action of symmetric group S(n) on the inputs and complementing group C(2,2) on the outputs.

A000841

Number of n-input 2-output switching networks under action of symmetric group S(n) on the inputs and complementing group C(2,2) on the outputs.

Terms

    a(0) =4a(1) =40a(2) =3264a(3) =45826304

External references