%I A076282
%S A076282 0,0,0,0,0,1,6,81,2028,115391
%N A076282 Number of 6-chromatic (i.e. chromatic number equals 6) simple graphs 
               on n nodes.
%H A076282 Keith M. Briggs, <a href="http://keithbriggs.info/cgt.html">Combinatorial 
               Graph Theory</a>
%H A076282 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               n-ChromaticGraph.html">n-Chromatic Graph</a>
%Y A076282 Cf. A076278, A076279, A076280, A076281.
%Y A076282 Sequence in context: A064341 A052756 A138457 this_sequence A121790 A032491 
               A135624
%Y A076282 Adjacent sequences: A076279 A076280 A076281 this_sequence A076283 A076284 
               A076285
%K A076282 nonn,more
%O A076282 1,7
%A A076282 Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002
%E A076282 a(10) from Keith Briggs, Mar 14 2006.