Triangle read by rows where T(n,k) is the number of unlabeled simple graphs covering n vertices with exactly k endpoints (vertices of degree 1).

A327372

Triangle read by rows where T(n,k) is the number of unlabeled simple graphs covering n vertices with exactly k endpoints (vertices of degree 1).

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =0a(8) =1a(9) =0a(10) =3a(11) =1a(12) =1a(13) =1a(14) =1a(15) =11a(16) =5a(17) =4a(18) =1a(19) =2a(20) =0a(21) =62a(22) =29a(23) =18a(24) =6a(25) =4a(26) =2a(27) =1a(28) =510a(29) =225

External references