%I #10 Feb 16 2025 08:34:06
%S 0,0,0,0,2,27,401,7943,234182
%N Number of connected non-quadratically embeddable graphs on n nodes.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/QuadraticallyEmbeddableGraph.html">Quadratically Embeddable Graph</a>
%F a(n) = A001349(n) - A363960(n).
%Y Cf. A363960 (quadratically embeddable graphs).
%K nonn,more,changed
%O 1,5
%A _Eric W. Weisstein_, Jun 29 2023