%I #5 Oct 21 2014 05:22:49
%S 6,480,196560,153498240,214951968000
%N Erroneous version of A006713.
%C Included in accordance with the OEIS policy of listing published but incorrect sequences, to serve as pointers to the correct entries.
%D R. C. Read, Some Enumeration Problems in Graph Theory. Ph.D. Dissertation, Department of Mathematics, Univ. London, 1958.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H R. C. Read, <a href="/A002831/a002831.pdf">Letter to N. J. A. Sloane, Feb 04 1971</a> (gives initial terms of this sequence)
%K dead
%O 2,1
%A _Sean A. Irvine_, Oct 05 2014