%I #3 Mar 30 2012 16:50:37
%S 0,0,0,0,2,36,352,4463,63363,1066463
%N Number of connected graphs on n nodes with edge chromatic number 5.
%H Keith M. Briggs, <a href="http://keithbriggs.info/cgt.html">Combinatorial Graph Theory</a>
%Y A diagonal of triangle in A126732.
%K nonn
%O 1,5
%A _N. J. A. Sloane_, Feb 16 2007