Number of driving-point impedances of an n-terminal network.

A003128

Number of driving-point impedances of an n-terminal network.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =6a(4) =31a(5) =160a(6) =856a(7) =4802a(8) =28337a(9) =175896a(10) =1146931a(11) =7841108a(12) =56089804a(13) =418952508a(14) =3261082917a(15) =26403700954a(16) =221981169447

External references