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 distinct chromatic roots among all simple graphs on n vertices.
0

%I #5 Dec 01 2024 18:47:12

%S 1,2,3,6,16,70,411,4085,76660,2920668

%N Number of distinct chromatic roots among all simple graphs on n vertices.

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

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

%K nonn,more,new

%O 1,2

%A _Eric W. Weisstein_, Dec 01 2024