Number of labeled mobiles (circular rooted trees) with n nodes and 4 leaves.

A055351

Number of labeled mobiles (circular rooted trees) with n nodes and 4 leaves.

Terms

    a(0) =30a(1) =1500a(2) =47250a(3) =1234800a(4) =29635200a(5) =685843200a(6) =15717240000a(7) =362244960000

External references