Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1.
A285165
Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =7a(4) =6a(5) =1a(6) =73a(7) =56a(8) =16a(9) =1a(10) =879a(11) =640a(12) =208a(13) =30a(14) =1a(15) =11713a(16) =8256a(17) =2848a(18) =560a(19) =48a(20) =1a(21) =167423a(22) =115456a(23) =41216a(24) =9440a(25) =1240a(26) =70a(27) =1a(28) =2519937a(29) =1710592
External references
- oeis: A285165