Number of independent subsets of nodes in graph formed from n-fold subdivision of triangle.
A027740
Number of independent subsets of nodes in graph formed from n-fold subdivision of triangle.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =14a(4) =60a(5) =384a(6) =3318a(7) =40638a(8) =689636a(9) =16383974a(10) =542420394a(11) =25075022590
External references
- oeis: A027740