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Erroneous version of A001930.
0

%I #2 May 16 2003 03:00:00

%S 1,1,3,9,32

%N Erroneous version of A001930.

%D F. Harary and E. M. Palmer, Graphical Enumeration, Academic Press, NY, 1973, p. 218.

%K dead

%O 0,3