login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Number of connected (non-null) induced subgraphs in the n-Andrásfai graph.
1

%I #12 Feb 09 2024 03:04:56

%S 3,21,173,1563,13863,118797,991175,8127097,65937979,531691453,

%T 4272259775,34260885697,274450101955,2197181305541,17584291437255

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

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

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

%K nonn,more

%O 1,1

%A _Eric W. Weisstein_, Jun 04 2017

%E a(11)-a(15) from _Pontus von Brömssen_, Aug 27 2022