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

A000847

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

Terms

    a(0) =4a(1) =20a(2) =264a(3) =80104a(4) =464655217384

External references