%I #1 May 16 2003 03:00:00
%S 3,6,9,13,17,23,29,36,43,50,59,60,79,90,101,112,123,138
%N Erroneous version of A004137 given in the reference.
%D J.-C. Bermond, Graceful graphs, radio antennae and French windmills, pp. 18-37 of R. J. Wilson, editor, Graph Theory and Combinatorics. Pitman, London, 1978.
%K dead
%O 3,1