A290970 - OEIS

%I #14 Feb 16 2025 08:33:50

%S 3,15,233,53081,3370199979

%N Number of (non-null) connected induced subgraphs in the n-folded cube graph.

%C a(5) is also the number of (non-null) connected induced subgraphs in the 2-Keller graph. - _Eric W. Weisstein_, Mar 21 2018

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FoldedCubeGraph.html">Folded Cube Graph</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KellerGraph.html">Keller Graph</a>

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Vertex-InducedSubgraph.html">Vertex-Induced Subgraph</a>

%K nonn,more

%O 2,1

%A _Eric W. Weisstein_, Aug 16 2017

%E a(6) from _Pontus von Brömssen_, Aug 27 2022