Number of labeled simple graphs with n vertices and exactly n - 1 endpoints (vertices of degree 1).

A327370

Number of labeled simple graphs with n vertices and exactly n - 1 endpoints (vertices of degree 1).

Terms

    a(0) =0a(1) =1a(2) =0a(3) =6a(4) =4a(5) =50a(6) =66a(7) =532a(8) =1016a(9) =6876a(10) =16750a(11) =104456a(12) =303612a(13) =1821976a(14) =6067166a(15) =35857200a(16) =133160176a(17) =785514512a(18) =3192117966a(19) =18948962656a(20) =83099447300a(21) =498931946016

External references