%I #10 Mar 31 2012 10:33:03
%S 0,0,0,0,0,0,1,6,57,659,10236,204927,5231080,166394885,6459372691
%N Number of connected triangle-free graphs on n nodes with edge chromatic number 6.
%Y Cf. A207410, A207408.
%K nonn,more
%O 1,8
%A _Michael Sollami_, Feb 17 2012
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