Number of ordered pairs (G,S), where G is a simple labeled graph on n nodes and S is a subset of the vertices of G, such that G[S], the subgraph of G induced by S, is connected.
A281263
Number of ordered pairs (G,S), where G is a simple labeled graph on n nodes and S is a subset of the vertices of G, such that G[S], the subgraph of G induced by S, is connected.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =48a(4) =678a(5) =20152a(6) =1261136a(7) =164218384a(8) =43821994928
External references
- oeis: A281263