Labeled trees on n nodes with at least one node of degree two.

A294198

Labeled trees on n nodes with at least one node of degree two.

Terms

    a(0) =0a(1) =0a(2) =3a(3) =12a(4) =120a(5) =1200a(6) =16380a(7) =255696a(8) =4726008a(9) =99107280a(10) =2346042600a(11) =61706210280

External references