Number of labeled forests with n trees and 2n nodes and with the largest tree having exactly 3 nodes.

A332960

Number of labeled forests with n trees and 2n nodes and with the largest tree having exactly 3 nodes.

Terms

    a(0) =0a(1) =12a(2) =180a(3) =5040a(4) =151200a(5) =6029100a(6) =276215940a(7) =14983768800a(8) =919653134400

External references