Triangle read by rows where T(n,k) is the number of antichains of nonempty sets covering n vertices with vertex-connectivity exactly k.
A327351
Triangle read by rows where T(n,k) is the number of antichains of nonempty sets covering n vertices with vertex-connectivity exactly k.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =4a(7) =3a(8) =2a(9) =0a(10) =30a(11) =40a(12) =27a(13) =17a(14) =0a(15) =546a(16) =1365a(17) =1842a(18) =1690a(19) =1451a(20) =0a(21) =41334
External references
- oeis: A327351