%I #10 Dec 02 2018 12:52:00
%S 1,1,4,38,728,26704,1866255,251547611,66295198837,34494681184926,
%T 35636712584655663
%N Number of connected labeled 6-colorable (i.e., chromatic number <= 6) graphs on n nodes.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/n-ColorableGraph.html">n-Colorable Graph</a>
%F Logarithmic transform of A084282. - _Andrew Howroyd_, Dec 02 2018
%Y Cf. A001832, A084282, A084283, A084284, A084285.
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, May 25 2003
%E a(7)-a(11) from _Andrew Howroyd_, Dec 02 2018