%I

%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